2003 Hummer H2 Exhaust System Kits

Your 2003 Hummer H2 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust System Kits you desperately need.

We currently carry 3 Exhaust System Kits to choose from for your 2003 Hummer H2, and our inventory prices range from as little as $485.99 up to $1,136.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Exhaust System Kits for the 2003 Hummer H2. We only sell parts from trusted brands like JBA Performance so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 1 reviews on our Exhaust System Kits for the 2003 Hummer H2 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust System Kits stock in-person!

Exhaust System Kits for Your 2003 Hummer H2

JBA Performance – 40-3023 3" Stainless Steel Exhaust System 03-06 H2 Hummer 6.0L 4 Wheel Drive (Part No.40-3023)

40-3023 3" Stainless Steel Exhaust System 03-06 H2 Hummer 6.0L 4 Wheel Drive

from

$485.99
When it comes to performance exhaust systems, most people are looking for three things: Power, sound,and quality. JBA Exhaust Systems deliver the best of all three, giving it both great looks and performance.One of the first performance upgrades typical

Product Features:
  • JBA Performance Exhaust 40-3023 3″ Stainless Steel Exhaust System 03-06 H2 Hummer 6.0L 4 Wheel Drive
  • Large diameter stainless steel mandrel-bent tube
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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.16673)

Street Series Cat-Back Performance Exhaust System

from

$1136.99
The MagnaFlow 2003-2006 Hummer H2 Street Series Cat-Back Performance Exhaust System brings out the personality of your 6.0L 2003-2006 Hummer H2 with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Hummer H2 exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Hummer H2’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16673 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16673 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP (Part No.49-44010)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP

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$1052.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination of performance; fit; and value. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 deg. sealing surface. A free-flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • 4 in. Mandrel Bent 409 Stainless Steel Tubing
  • Maximum Flow
  • High Flow Muffler
  • Bayonet Style Hangers For Easy Installation
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FAQs for 2003 Hummer H2 Exhaust System Kits

What are the most popular Exhaust System Kits for the 2003 Hummer H2?

With 3 brands you can trust, our most popular Exhaust System Kits for the 2003 Hummer H2 parts are:
Street Series Cat-Back Performance Exhaust System
from $1136.99
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Street Series Cat-Back Performance Exhaust System
Exhaust System Kits