2003 GMC Sierra 1500 Performance and Racing Products

Essential 2003 GMC Sierra 1500 Performance and Racing Products

Hypertech – REACT Towing Throttle Optimizer: Improve the power delivery when you’re towing or hauling (Part No.102402)

REACT Towing Throttle Optimizer: Improve the power delivery when you're towing or hauling

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$328.99
The REACT offers fully customizable control over your vehicle’s throttle response. The simple control knob allows you to switch between multiple modes and control the throttle intensity of each mode on-the-fly. The REACT installs easily and is completely plug-and-play, has an automatic setup sequence so no disassembly is required, comes with a magnetic A/C vent mount (Pedestal swivel mount also available – Sold separately at hypertech.com/REACT.aspx), and doesn’t void your factory warranty. Plus the REACT is internet updateable. Three (3) versions of the REACT throttle optimizer are available to fit your particular driving needs… Performance, Off-Road, and Tow.

Product Features:
  • On-The-Fly Adjustments
  • LED Setting Indicators
  • Multiple Levels Of Safety Protection
  • Magnetic A/C Vent Mount Incl. [No Screw Or Tape]
  • Pedestal Swivel Mount Available [Sold Separately]
  • Custom Tuning Software
  • Internet Updateable
  • Easy Plug-N-Play Install
  • Automatic Setup Sequence [No Disassembly Required]
  • Doesnt Void Factory Warranty
  • Product might not be available in all states due to local laws.
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Spectre – Throttle Body Injection Spacer (Part No.11251)

Throttle Body Injection Spacer

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$87.99
Manufactured from high quality machine finished aluminum, Spectre’s Throttle Body Spacers are engineered to improve engine performance. By providing added volume to the intake manifold and directing air through a tapered internal constriction, this spacer utilizes the Venturi effect to increase the speed of air flowing into your intake manifold. Spectre has designed a number of kits to fit a wide range of specific applications. Each kit includes the necessary gaskets and hardware to bolt directly to the factory components, making installation quick and easy.

Product Features:
  • Includes the necessary gaskets and hardware to bolt directly to the factory components
  • Each kit is designed for the applications listed
  • Manufactured from high quality machine finished aluminum
  • Can be installed in less than an hour using common hand tools with no drilling or cutting required
  • Simple to install
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B & M – Automatic Shifter, Unimatic Shifter (Part No.80775)

Automatic Shifter, Unimatic Shifter

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$259.99
The B&M Unimatic is an ideal replacement for column shift vehicles, includes neutral safety switch, 5 foot cable and a boot and plate.

Product Features:
  • Ideal As Column Shift Replacement
  • Includes Neutral Safety Switch
  • Includes Black T-Handle
  • Backup Light Not Available
  • Includes 5 ft. Cable and Hardware
  • Includes Boot and Plate
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aFe POWER – Power Module (Part No.77-84013)

Power Module

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$554.99
Power Module

Flowmaster Inc. – Super 40 Series Muffler, 3in Center Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.953047)

Super 40 Series Muffler, 3in Center Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound

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$133.99
The Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Energy Suspension – Hyper-Flex System (Part No.3.18129G)

Hyper-Flex System

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$532.99
Product Features:
  • Incredible Improvement in Control
  • Maintains Proper Caster and Camber Alignment
  • Increase in Handling and Control
  • Greatly Reduce Wheel Hop on Quick Acceleration
  • Even Braking Control is Improved
  • Better Suspension Stability
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Bully Dog – RFI Prefilter (Part No.225201)

RFI Prefilter

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$29.99
Our RFI pre-filter is semi water repellent, it will extend the time between cleaning and will also greatly reduce the amount of time spent cleaning your filter.

Product Features:
  • RFI Prefilter
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Energy Suspension – Control Arm Bushing Set (Part No.3.3190G)

Control Arm Bushing Set

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$119.99
For both front and rear of suspensions on cars, trucks and SUVs. Maintains proper alignment under extreme conditions on and off-road and during competition. Improves vehicle handling, cornering and overall control. Full floating for smoother operation. Made of Energy’s Hyper-Flex performance polyurethane to add performance and durability.

Product Features:
  • Maintains Better Alignment While Driving
  • Full Floating and Non Binding
  • Fits Into the Remaining Stock Control Arms
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Energy Suspension – Control Arm Bushing Set (Part No.3.3190R)

Control Arm Bushing Set

from

$119.99
For both front and rear of suspensions on cars, trucks and SUVs. Maintains proper alignment under extreme conditions on and off-road and during competition. Improves vehicle handling, cornering and overall control. Full floating for smoother operation. Made of Energy’s Hyper-Flex performance polyurethane to add performance and durability.

Product Features:
  • Maintains Better Alignment While Driving
  • Full Floating and Non Binding
  • Fits Into the Remaining Stock Control Arms
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K&N – Cold Air Intake: Adds Up To 9 Horsepower, With Million Mile Air Filter (Part No.57-3021-1)

Cold Air Intake: Adds Up To 9 Horsepower, With Million Mile Air Filter

from

$349.99
K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics – and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles.

Product Features:
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.
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Richmond Gear – RngPnn (Part No.69-0169-1)

RngPnn

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$351.99
RngPnn

aFe POWER – Magnum FORCE Cold Air Intake: Gain up to 18 Horsepower! Dry Air Filter For Easy Maintenance (Part No.51-12332)

Magnum FORCE Cold Air Intake: Gain up to 18 Horsepower! Dry Air Filter For Easy Maintenance

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$403.99
Easy to install one piece 16-gauge powder-coated heat shield requires no cutting or drilling. Stylish powder-coated steel or brushed aluminum cover blocks heat and directs cold air to the filter while quieting intake noise. The precision designed molded plastic intake tube maximizes airflow volume and speed for optimum power gains. 360 degree flow, washable and reusable, limited lifetime filters are high flow and high performance.

Product Features:
  • Uses Pro DRY S Air Filter For Maximum Convenience
  • 3 Layer Of Progressive Non-Synthetic Oil Media Air Filter
  • 100% Polyurethane For Long Life
  • Washable And Reusable Air Filter
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MagnaFlow – Direct Fit Catalytic Converter, Off Road Use Only (Part No.15477)

Direct Fit Catalytic Converter, Off Road Use Only

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$826.99
Product Features:
  • Product might not be available in all states due to local laws.
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Dynomax – Intermediate Pipe (Part No.54535)

Intermediate Pipe

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$46.99
DynoMax Performance Exhaust is a leading performance exhaust brand built on over 25 years of market leadership. Each and every DynoMax product is backed by engineers who know what you want and expect out of a performance exhaust product… and who exceed your expectations every time.
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Energy Suspension – Transmission Mount (Part No.3.1129R)

Transmission Mount

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$83.99
A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:
  • Unique Safety Interlock Design
  • Impervious to Vehicle Oils and Chemicals
  • Strong Enough Too Handle High Performance
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Energy Suspension – Transmission Mount (Part No.3.1129G)

Transmission Mount

from

$87.99
A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:
  • Unique Safety Interlock Design
  • Impervious to Vehicle Oils and Chemicals
  • Strong Enough Too Handle High Performance
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Lakewood – Traction Bar (Part No.21710)

Traction Bar

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$292.99
Designed for pick-up trucks with 2-wheel drive, these Lakewood bolt-on traction bars stabilize the rear end and work great for off-roading, performance driving and even on the street especially in wet weather. Spring wrap-up, tire spin and wheel hop is greatly reduced resulting in increased traction. Black powder coated finish for attractive appearance and corrosion resistance. Includes polyurethane snubbers for a better ride.

Product Features:
  • Stabilizes The Rear End
  • Tire Spin And Wheel Hop Is Reduced
  • Spring Wrap-Up Reduced
  • Increased Traction
  • Corrosion Resistant
  • Polyurethane Snubbers Included
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Dynomax – Tail Pipe (Part No.55254)

Tail Pipe

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$156.99
Dynomax® Performance Exhaust, a leading performance exhaust brand built on over 20 years of market leadership. Each and every Dynomax® product is backed by engineers who know what you want and expect out of a performance exhaust product.

Product Features:
  • Mandrel bends improve flow capacity over traditional bends
  • Combine state-of-the-art engineering with quality material to provide exceptional strength and durability
  • Dynomax® premium pre-bent pipe is manufactured with precision benders, and then fixture checked, insuring every part is a perfect fit, providing quick and easy installation.
  • Pipe diameters are increased from OEM sizes to improve flow and increase power
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Dynomax – 55516 Exhaust Tail Pipe (Part No.55516)

55516 Exhaust Tail Pipe

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$186.99
Made from quality materials for durability, DynoMax® pipe is manufactured with precision benders and fixture checked to ensure a precise fit for quick and easy installation.

Product Features:
  • IMPROVED FLOW CAPACITY — Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
  • DESIGNED TO PERFORM — Fixture checked to ensure a precise fit for quick and easy installation
  • AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
  • PREMIUM MATERIALS – Made from stainless steel for durability and long life
  • BETTER TOGETHER — Use premium DynoMax® accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade
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B & M – Holeshot 2400 (Part No.70441)

Holeshot 2400

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$689.99
Holeshot 2400 for GM 1998 to 2002 4L60E Camaro and Firebird with an LS1 engine Application: GM 1998 to 2002 4L60E Camaro and Firebird with LS1 A higher than stock stall speed as delivered by the Holeshot converter will provide several advantages and benef

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-1007)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

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$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.
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Dynomax – Single – 3in Cat-Back Exhaust System – Ultra Flo Welded Muffler: Stainless Steel (Part No.39495)

Single - 3in Cat-Back Exhaust System - Ultra Flo Welded Muffler: Stainless Steel

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$509.99
DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
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MagnaFlow – Street Series Cat-Back Exhaust System: Polished Tips, Stainless Steel, Designed for Power and Sound (Part No.15839)

Street Series Cat-Back Exhaust System: Polished Tips, Stainless Steel, Designed for Power and Sound

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$795.99
The Street Series Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.

Product Features:
  • All Mandrel Bent Tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
  • Made in USA
  • Moderate Exterior Sound with Mild Interior Sound
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MagnaFlow – Street Series Cat-Back Exhaust System: Polished Tips, Stainless Steel, Designed for Power and Sound (Part No.15728)

Street Series Cat-Back Exhaust System: Polished Tips, Stainless Steel, Designed for Power and Sound

from

$684.99
The Street Series Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.

Product Features:
  • All Mandrel Bent Tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
  • Made in USA
  • Moderate Exterior Sound with Mild Interior Sound
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Bully Dog – Watch Dog Economy Monitor (Part No.40400)

Watch Dog Economy Monitor

from

$241.99
Reads and erases diagnostic trouble codes (dtc’s). Tests horsepower, torque and performance. Internet updateable. Transferable to any applicable vehicle application. Easy to use capacitive touch buttons. Full color LCD.

Product Features:
  • Reads And Erases Diagnostic Trouble Codes (DTCs)
  • Tests HP/Torque And Performance
  • Internet Updateable
  • Transferable to Any Applicable Vehicle Application
  • Easy To Use Capacitive Touch Buttons
  • Full Color LCD
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Bully Dog – 50-State GT Gas Tuner (Part No.40410)

50-State GT Gas Tuner

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$469.99
The GT Platinum Gas is four products in one; a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your vehicle by increasing horsepower, improving fuel economy and providing a comprehensive set of monitoring features and diagnostic functions. This product is incomparable to other tuning products because it has the largest feature set and the widest range of vehicle applications from a single product part number.

Product Features:
  • HEADS UP DISPLAY – Monitor over 15 performance parameters at a glance with a dynamic LCD display mounted on a pillar, window, or dash. User set daytime and nighttime driving modes
  • MULTIPLE PRELOADED TUNES – Access four preloaded tunes with the touch of a few buttons to maximize performance in any situation.
  • CODE CLEARING – Diagnose and clear trouble codes to ensure proper engine operation.
  • Reads and Erases Diagnostic Trouble Codes
  • Display Over 15 Vehicle Parameters
  • Installation Is Easy-10-20 Minutes
  • Free Internet Updates And Upgrades
  • 30 Day Money Back Guarantee
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2003 GMC Sierra 1500 Performance and Racing Products

You count on your 2003 GMC Sierra 1500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Performance and Racing Products. With 58 Performance and Racing Products ranging in price from $17.99 to $938.99, you’re sure to find everything you need for your 2003 GMC Sierra 1500.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 14 different brands like K&N, Dynomax, and Spectre. 2003 GMC Sierra 1500 Performance and Racing Products start as low as $17.99!

One of the best ways to find top quality OEM or aftermarket Performance and Racing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 7,060 extensive product reviews on 2003 GMC Sierra 1500 Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are Differential Ring And Pinion with 4.2 stars and 50-State GT Gas Tuner with 3.6 stars.

Did we mention you can order your Performance and Racing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Performance and Racing Products inventory for your 2003 GMC Sierra 1500 below to get started!

Top-Rated Performance and Racing Products Brands For Your 2003 GMC Sierra 1500

Trusted Performance and Racing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 GMC Sierra 1500 running right for years to come. In our inventory you’ll find brands like K&N, Dynomax, Spectre, and even more.

Popular K&N Performance and Racing Products

You’ll find popular K&N brand products across Performance Air Filters and Performance Air Intake Kits. All are waiting to get your 2003 GMC Sierra 1500 back on the road. Some of the top-rated K&N products in these categories are:
Cold Air Intake: Adds Up To 9 Horsepower, With Million Mile Air Filter
from $349.99
(33)
Cold Air Intake: Adds Up To 9 Horsepower, With Million Mile Air Filter
Performance Air Intake Kits

FAQs for 2003 GMC Sierra 1500 Performance and Racing Products

What are the most purchased Performance and Racing Products for the 2003 GMC Sierra 1500?

Out of 58 Performance and Racing Products for the 2003 GMC Sierra 1500, the most popular in our inventory are:
Cold Air Intake Kit Engineered to Add Horsepower & Torque
from $199.99
(53)
Cold Air Intake Kit Engineered to Add Horsepower & Torque
Engine Cold Air Intakes

What are the top-rated 2003 GMC Sierra 1500 Performance and Racing Products?

Top-rated Performance and Racing Products for your 2003 GMC Sierra 1500 based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“Good product good price”
50-State GT Gas Tuner
from $469.99
(9)
50-State GT Gas Tuner
“Installed a CAI and exhaust before I bought the Bully Dog. This product made me able to get the full use of the mods.”
Automatic Shifter, Unimatic Shifter
from $259.99
(3)
Automatic Shifter, Unimatic Shifter
“Super easy to install, works nice.”