1966 Chevrolet C20 Pickup Exhaust Mufflers

Keep Your 1966 Chevrolet C20 Pickup in Top Shape with a Quality Exhaust Muffler

When it comes to maintaining or upgrading your 1966 Chevrolet C20 Pickup, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Exhaust Muffler for your C20 Pickup. We currently carry a top Exhaust Muffler in stock that is built to last. Whether you’re replacing a damaged Exhaust Muffler or looking to upgrade, our selection for the 1966 Chevrolet C20 Pickup ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Exhaust Manifold and Headers and Exhaust System Kits to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1966 Chevrolet C20 Pickup running smoothly and looking great.

Essential 1966 Chevrolet C20 Pickup Exhaust Mufflers

Walker – Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 1.812" Outlet (OD) (Part No.21028)

Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 1.812" Outlet (OD)

from

$83.99
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, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8530452)

Super 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$124.99
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 409S stainless steel and fully MIG welded for maximum durability.

Product Features:
  • Durable fully welded 409 stainless steel
  • Deep aggressive exhaust note
  • Noticeable interior resonance
  • Excellent performance on high horsepower vehicles
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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.
See More

Most Popular Muffler for 1966 Chevrolet C20 Pickups

Enhance your 1966 Chevrolet C20 Pickup with this popular Muffler we have in stock, for $83.99.

Walker – Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 1.812" Outlet (OD) (Part No.21028)

Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 1.812" Outlet (OD)

from

$83.99
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.
See More

FAQs for 1966 Chevrolet C20 Pickup Exhaust Mufflers

What’s the price range for 1966 Chevrolet C20 Pickup Exhaust Mufflers?

We currently have just one Exhaust Mufflers for the 1966 Chevrolet C20 Pickup in stock: Quiet-Flow Direct Fit Exhaust Muffler 2" Inlet (ID) 1.812" Outlet (OD) and it costs $83.99.

Does Advance Auto Parts sell Exhaust Mufflers for other Chevrolet C20 Pickup model years?

Yes, we carry Exhaust Mufflers for 12 model years of Chevrolet C20 Pickups between 1960 and 1974. The following model years are the most popular for Exhaust Muffler purchases: 1974, 1973, 1972, 1971, 1970, 1969, 1968, 1965, and 1964.

Does Advance Auto Parts sell Exhaust Mufflers for any other 1966 Chevrolet models?

Yes. We stock Exhaust Mufflers for 9 other popular 1966 Chevrolet models. Some of the most popular are 1966 Impala Exhaust Mufflers, 1966 Malibu Exhaust Mufflers, 1966 Corvette Exhaust Mufflers, 1966 Caprice Exhaust Mufflers, and 1966 El Camino Exhaust Mufflers.

What types of Exhaust Mufflers do you sell for my 1966 Chevrolet C20 Pickup?

We currently have just 1 Exhaust Muffler in stock for a 1966 Chevrolet C20 Pickup, and as of 11/2/25, it is a Muffler.

Can I get help with 1966 Chevrolet C20 Pickup Exhaust Muffler orders?

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

What is your return policy for Chevrolet C20 Pickup Exhaust Mufflers?

Advance Auto Parts keeps returns simple. For new Chevrolet C20 Pickup Exhaust Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.