1985 GMC C1500 Performance Exhaust Mufflers

Your 1985 GMC C1500 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 Performance Exhaust Mufflers you desperately need.

We currently carry 4 Performance Exhaust Mufflers to choose from for your 1985 GMC C1500, and our inventory prices range from as little as $109.99 up to $272.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Performance Exhaust Mufflers for the 1985 GMC C1500. We only sell parts from trusted brands like Dynomax so that you can find quality parts you can count on.

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

Performance Exhaust Mufflers for Your 1985 GMC C1500

Dynomax – Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval (Part No.17758)

Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval

from

$109.99
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
  • Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
  • Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
  • Dyno proven to flow up to 700 SCFM
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Dynomax – Ultra Flo Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval (Part No.17234)

Ultra Flo Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval

from

$272.99
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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Flowmaster Inc. – 50 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound (Part No.52456)

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

from

$184.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Super 50 Muffler – 2.50 Center In / 2.25 Dual Out – Mild Sound (Part No.525552)

Super 50 Muffler - 2.50 Center In / 2.25 Dual Out - Mild Sound

from

$175.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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FAQs for 1985 GMC C1500 Performance Exhaust Mufflers

What are the most popular Performance Exhaust Mufflers for the 1985 GMC C1500?

With 2 brands you can trust, our most popular Performance Exhaust Mufflers for the 1985 GMC C1500 parts are:
Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval
from $109.99
This product is not rated
Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval
Performance Exhaust Mufflers
Ultra Flo Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval
from $272.99
This product is not rated
Ultra Flo Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval
Performance Exhaust Mufflers
Super 50 Muffler - 2.50 Center In / 2.25 Dual Out - Mild Sound
from $175.99
This product is not rated
Super 50 Muffler – 2.50 Center In / 2.25 Dual Out – Mild Sound
Performance Exhaust Mufflers