2004 Pontiac Grand Prix Mufflers

Your 2004 Pontiac Grand Prix 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 Mufflers you desperately need.

We currently carry 5 Mufflers to choose from for your 2004 Pontiac Grand Prix, and our inventory prices range from as little as $106.99 up to $229.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Mufflers for the 2004 Pontiac Grand Prix. We only sell parts from trusted brands like Walker 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 Mufflers for the 2004 Pontiac Grand Prix from previous customers.

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

Mufflers for Your 2004 Pontiac Grand Prix

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21503)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$229.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
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Dynomax – Super Turbo Muffler: Di Fit Aluminized Steel, 14" L, 2.25" In, 2.5" Out, Oval (Part No.17667)

Super Turbo Muffler: Di Fit Aluminized Steel, 14" L, 2.25" In, 2.5" Out, Oval

from

$106.99
Dynomax Super Turbo performance mufflers’ exclusive, patented, flow director design channels exhaust flow, and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow, and reduce backpressure. Each muffler uses fiberglass matting technology to absorb unwanted interior resonance, while maintaining a mellow performance tone.

Product Features:
  • Large internal flow tubes improve exhaust flow and reduce backpressure
  • Dyno proven to flow up to 700 SCFM
  • Exclusive patented flow director channels exhaust flow and eliminates turbulence on most applications.
  • Fiberglass matting technology absorbs unwanted interior resonance but maintains a mellow tone
  • 1.75-inch to 3-inch inlet / outlet configurations
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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18980)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$148.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
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Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18981)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$129.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION — Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and/or welding
  • FACTORY SOUND — Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER — Designed and tested to extend muffler life
See More

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21502)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$186.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.

Product Features:
  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on
See More

FAQs for 2004 Pontiac Grand Prix Mufflers

What are the most popular Mufflers for the 2004 Pontiac Grand Prix?

With 2 brands you can trust, our most popular Mufflers for the 2004 Pontiac Grand Prix parts are:
SoundFX Muffler, Direct Replacement, No Fabrication Needed
from $148.99
This product is not rated
SoundFX Muffler, Direct Replacement, No Fabrication Needed
Mufflers
SoundFX Muffler, Direct Replacement, No Fabrication Needed
from $129.99
This product is not rated
SoundFX Muffler, Direct Replacement, No Fabrication Needed
Mufflers