Pontiac Grand Prix Performance Exhaust Mufflers

Your Pontiac Grand Prix will be happy to know that the search for the right Performance Exhaust Mufflers you’ve been looking for is over! Advance Auto Parts has 2 different Performance Exhaust Mufflers for your vehicle, ready for shipping or in-store pick up. The best part is, our Pontiac Grand Prix Performance Exhaust Mufflers start from as little as $99.99.

When it comes to your Pontiac Grand Prix, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Exhaust Mufflers brands so you can shop with complete confidence. Some of our top Performance Exhaust Mufflers brands are Dynomax and Flowmaster Inc.. We’re sure you will get the right product to keep that Grand Prix running for a long time.

We even have reviews of our OEM and aftermarket Performance Exhaust Mufflers products to help you buy with confidence. Hear from other customers via the 477 reviews on parts for your Pontiac Grand Prix.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Exhaust Mufflers for your Grand Prix, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 16 Pontiac Performance Exhaust Mufflers

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942448)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$113.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 80 Series Muffler, 3in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.43083)

80 Series Muffler, 3in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$165.99
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942441)

40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$133.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.842446)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$126.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we’ve ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound (Part No.43043)

40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound

from

$99.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Moderate Sound (Part No.942051)

50 Series Muffler, 2in Offset Inlet 2in Center Outlet, Non-Reversible, Moderate Sound

from

$154.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.942446)

Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$113.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.42543)

40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$99.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound (Part No.8042441)

40 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound

from

$123.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Dynomax – Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance (Part No.24235)

Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance

from

$99.99
DynoMax Race Bullet mufflers feature 100-percent welded construction for lifelong durability. The ‘Pure Unadulterated POWER’ and lightweight, compact design make it the ultimate race muffler. The unrestricted, straight-through design is dyno tested and t

Product Features:
  • Designed for vehicles with limited space
  • Light weight compact design
  • 100% welded design for maximum durability
  • CRF Technology which helps provide up to a 4 dbA sound reduction, on most race applications, while maintaining a deep race tone
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Flowtech – Terminator  Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Moderate Sound (Part No.50162FLT)

Terminator  Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Moderate Sound

from

$151.99


Product Features:
  • Aluminized Steel Construction
  • 3in. Inner Pass Tubes
  • Reduce Backpressure
  • Increase Horsepower
  • No Glass To Burn Or Blow Out
  • Will Flow In Either Direction
  • Welded For Strength/Durability
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Hooker Headers – Aero Chamber Muffler (Part No.21729HKR)

Aero Chamber Muffler

from

$215.99
Aero Chamber Muffler

Flowmaster Inc. – 80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842583)

80 Series Muffler, 2.5in Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$175.99
The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros and Firebirds with transverse mufflers. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound (Part No.842451)

50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound

from

$175.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound (Part No.942451)

50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound

from

$154.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942443)

40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$143.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

FAQs for Pontiac Grand Prix Performance Exhaust Mufflers

What are the most popular Performance Exhaust Mufflers for the Pontiac Grand Prix?

With 2 brands you can trust, our most popular Performance Exhaust Mufflers for the Pontiac Grand Prix are:
Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance
from $99.99
This product is not rated
Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliance
Performance Exhaust Mufflers