1979 GMC K1500 Mufflers

Enhance and Protect Your 1979 GMC K1500 with Quality Mufflers

Maintaining the performance of your 1979 GMC K1500 starts with choosing the right parts, and high-quality Mufflers help ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Mufflers specifically for the 1979 GMC K1500, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Mufflers for Every Budget

Finding affordable, quality Mufflers is easy at Advance Auto Parts. With prices starting as low as $62.99 and an average price of $140.89, you can choose one that fits your budget while delivering the quality you expect. Our Mufflers are competitively priced, ranging from $62.99 to $199.99, so you get value without compromising on strength or reliability.

Mufflers for Your 1979 GMC K1500

Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.52558)

50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound

from

$199.99
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. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.842553)

50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound

from

$184.99
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.
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Walker – Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD) (Part No.21784)

Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)

from

$62.99
Product Features:
  • 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 welding
  • RESISTS CORROSION – Internal drainage system helps reduce moisture collection
  • 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
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
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Flowmaster Inc. – Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.952448)

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

from

$149.99
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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FAQs for 1979 GMC K1500 Mufflers

Which Mufflers are the top sellers for the 1979 GMC K1500?

Out of 4 Mufflers that fit 1979 GMC K1500s, the following parts are the top sellers:
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
from $62.99
This product is not rated
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
Mufflers

How can I make sure that a part will be compatible with my 1979 GMC K1500?

Our GMC K1500 aftermarket and OEM parts are designed specifically for the 1979 model. You can always find your specific fitment and compatibility for your 1979 GMC on an individual product page.

What is the price range for 1979 GMC K1500 Mufflers?

The range of prices of Mufflers for the 1979 GMC K1500 goes from $62.99 up to $199.99 for the most premium parts.

What is the average price of 1979 GMC K1500 Mufflers?

1979 GMC K1500 Mufflers average $140.89 for our selection of OEM and aftermarket parts.

Does Advance Auto Parts sell Mufflers for other GMC K1500 model years?

Yes, we currently stock Mufflers for 18 model years of GMC K1500s, from 1980 to 1999. Model years 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991 are the most popular for Mufflers purchases.

Can I get help with 1979 GMC K1500 Mufflers orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Mufflers and more.

What is your return policy for GMC K1500 Mufflers?

Advance Auto Parts keeps returns simple. For new GMC K1500 Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.