1991 GMC C1500 Performance Mufflers
Keep Your 1991 GMC C1500 in Top Shape with Quality Performance Mufflers
Whether you’re repairing or upgrading your Performance Muffler, using high-quality parts is key to keeping your 1991 GMC C1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Mufflers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Performance Mufflers from Trusted Brands
Looking for a reliable Performance Muffler? We’ve got you covered with options from brands you know and trust like Flowmaster Inc.. For example, Flowmaster Inc. Performance Mufflers start at just $139.99 with an average 4.4 star rating. With over 34 reviews and a solid 4.2 star average, you can shop with confidence knowing other GMC C1500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1991 GMC C1500 Performance Muffler at Advance Auto Parts is around $202.58, with a range that starts at $131.99 and goes up to $482.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519, Dynomax Super Turbo Exhaust Muffler 2.5 Inch Inlet ID 2.5 Inch Outlet ID, 17749, and Flowmaster Inc. 40 Delta Muffler 409S – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 8430402 start at just $131.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Muffler, don’t forget to check out other key components like Performance Distributors and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1991 GMC C1500 in peak condition, inside and out.
Find Your Specific 1991 GMC C1500 Performance Mufflers
Looking for the perfect Performance Muffler for your 1991 GMC C1500? You’re in the right place. Below, you’ll find links to various types of Performance Mufflers that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Mufflers, ensuring durability and a precise fit for your GMC C1500. Whether you’re driving a 1991 model or another popular model year like
1985,
1986,
1988,
1989,
1990,
1993,
1994,
1997, and
1998, we’ve got you covered. Purchasing Performance Mufflers from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Mufflers that fit your vehicle.
Essential 1991 GMC C1500 Performance Mufflers
Flowmaster Inc. – Flowmaster Inc. Super 40 Muffler – 2.25 Offset In – 2.25 Center Out – Aggressive Sound, 952446 (Part No.952446)
from
$152.99
Developed from our Top Ten race muffler lineup for use on the street/strip, the Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound, especially on forced induction and high horsepower vehicles. 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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Flowmaster Inc. – Flowmaster Inc. 40 Delta Flow Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9430402 (Part No.9430402)
from
$149.99
This two chamber design incorporates Flowmaster’s Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – Flowmaster Inc. 50 Delta Muffler 409S – 2.50 Offset In – 2.50 Offset Out – Moderate Sound, 842553 (Part No.842553)
from
$188.99
The three chamber design utilizes Flowmaster’s 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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Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 3 Inch Outlet ID, 17233 (Part No.17233)
from
$172.99
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 uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
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Dynomax – Dynomax Super Turbo Exhaust Muffler 2.5 Inch Inlet ID 2.5 Inch Outlet ID, 17749 (Part No.17749)
from
$131.99
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. The ‘Pure Unadulterated POWER’ of DynoMax Super Turbo mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
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Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519 (Part No.17519)
from
$131.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our excl usive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
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Flowmaster Inc. – Flowmaster Inc. Super 50 Muffler – 3.00 Offset In – 3.00 Offset Out – Moderate Sound, 53058 (Part No.53058)
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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Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17273 (Part No.17273)
from
$482.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our excl usive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
See More
Flowmaster Inc. – Flowmaster Inc. 40 Delta Muffler 409S – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 8430402 (Part No.8430402)
from
$170.99
This two chamber design incorporates Flowmaster’s Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More
Flowmaster Inc. – Flowmaster Inc. Super 40 Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9530452 (Part No.9530452)
from
$173.99
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.
See More
Flowmaster Inc. – Flowmaster Inc. Super 44 Series Muffler 409S – 2.50 Offset In-2.50 Offset Out – Aggressive Sound, 842548 (Part No.842548)
from
$139.99
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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Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 3 Inch Outlet ID, 17220 (Part No.17220)
from
$144.99
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 uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
See More
Flowmaster Inc. – Flowmaster Inc. Super 44 Series Muffler 409S – 3.00 Offset In-3.00 Offset Out – Aggressive Sound, 843048 (Part No.843048)
from
$139.99
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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Popular 1991 GMC C1500 Performance Mufflers Categories
Most Popular Performance Mufflers for 1991 GMC C1500s
Enhance your 1991 GMC C1500 with one of the 8 Performance Mufflers we have in stock, starting at just $131.99.
Flowmaster Inc. – Flowmaster Inc. Super 44 Series Muffler 409S – 2.50 Offset In-2.50 Offset Out – Aggressive Sound, 842548 (Part No.842548)
from
$139.99
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.
See More
Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519 (Part No.17519)
from
$131.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our excl usive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
See More
Flowmaster Inc. – Flowmaster Inc. 40 Delta Flow Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9430402 (Part No.9430402)
from
$149.99
This two chamber design incorporates Flowmaster’s Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More
Flowmaster Inc. – Flowmaster Inc. 50 Delta Muffler 409S – 2.50 Offset In – 2.50 Offset Out – Moderate Sound, 842553 (Part No.842553)
from
$188.99
The three chamber design utilizes Flowmaster’s 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
Dynomax – Dynomax Super Turbo Exhaust Muffler 2.5 Inch Inlet ID 2.5 Inch Outlet ID, 17749 (Part No.17749)
from
$131.99
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. The ‘Pure Unadulterated POWER’ of DynoMax Super Turbo mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
See More
Dynomax – Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17273 (Part No.17273)
from
$482.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our excl usive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo SS Polished mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee.
See More
Flowmaster Inc. – Flowmaster Inc. Super 40 Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9530452 (Part No.9530452)
from
$173.99
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.
See More
Flowmaster Inc. – Flowmaster Inc. 40 Delta Muffler 409S – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 8430402 (Part No.8430402)
from
$170.99
This two chamber design incorporates Flowmaster’s Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More
Top-Rated Performance Muffler Brands For Your 1991 GMC C1500
When it comes to finding the perfect Performance Muffler for your 1991 GMC C1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Performance Muffler brands including Flowmaster Inc., and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $139.99. Purchasing a Performance Muffler from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC C1500, providing peace of mind with parts that meet or exceed OEM standards.
Popular Flowmaster Inc. 1991 GMC C1500 Performance Mufflers
If you’re looking for a top-quality Performance Muffler for your 1991 GMC C1500, Advance Auto Parts has exactly what you need with our selection of Flowmaster Inc. Performance Mufflers. We have 2 Flowmaster Inc. Performance Mufflers in stock for this fitment, all known for their durability and precision fit. With prices starting at just $139.99 and an average cost of $144.99, you’ll find the perfect Performance Muffler for your needs and budget. Flowmaster Inc. Performance Mufflers for the 1991 GMC C1500 come highly rated, with over 2 customer reviews and an impressive average rating of 4.4 stars. Choosing a Flowmaster Inc. Performance Muffler from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$149.99
(1)
Flowmaster Inc. 40 Delta Flow Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9430402
“Great exhaust note”
from
$139.99
(1)
Flowmaster Inc. Super 44 Series Muffler 409S – 2.50 Offset In-2.50 Offset Out – Aggressive Sound, 842548
“awesome sound!”
FAQs for 1991 GMC C1500 Performance Mufflers
What are the best-selling Performance Mufflers for 1991 GMC C1500s?
Out of 8 Performance Mufflers that fit 1991 GMC C1500s, the following parts are the top sellers:
- Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519 (18370838) – $131.99
- Dynomax Super Turbo Exhaust Muffler 2.5 Inch Inlet ID 2.5 Inch Outlet ID, 17749 (18290117) – $131.99
- Flowmaster Inc. 40 Delta Muffler 409S – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 8430402 (10194413) – $170.99
What’s the price range for 1991 GMC C1500 Performance Mufflers?
The prices of Performance Mufflers for the 1991 GMC C1500 range from $131.99 up to $482.99 for the most premium parts.
What is the average price of a Performance Muffler for a 1991 GMC C1500?
The average price for Performance Mufflers for the 1991 GMC C1500 is $202.58. Keep in mind the variety of part types within our Performance Muffler category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Mufflers for other GMC C1500 model years?
What are the cheapest Performance Mufflers for my 1991 GMC C1500?
The cheapest 1991 GMC C1500 Performance Mufflers we carry are:
- Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519 (18370838) – $131.99
- Dynomax Super Turbo Exhaust Muffler 2.5 Inch Inlet ID 2.5 Inch Outlet ID, 17749 (18290117) – $131.99
- Flowmaster Inc. Super 44 Series Muffler 409S – 2.50 Offset In-2.50 Offset Out – Aggressive Sound, 842548 (10193882) – $139.99
- Flowmaster Inc. 40 Delta Flow Muffler – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 9430402 (17310119) – $149.99
- Flowmaster Inc. 40 Delta Muffler 409S – 3.00 Center In – 2.50 Dual Out – Aggressive Sound, 8430402 (10194413) – $170.99
Does Advance Auto Parts sell Performance Mufflers for any other 1991 GMC models?
Yes. We stock Performance Mufflers for 8 other popular 1991 GMC models. Some of the most popular are 1991 V3500 Performance Mufflers, 1991 Jimmy Performance Mufflers, 1991 K1500 Performance Mufflers, 1991 C3500HD Performance Mufflers, and 1991 K2500 Performance Mufflers.
What are the top-rated Performance Mufflers that fit the 1991 GMC C1500?
The one 1991 GMC C1500 Performance Muffler we have in stock is the Dynomax Ultra Flo Exhaust Muffler 3 Inch Inlet ID 2.5 Inch Outlet ID, 17519. It is rated 4 stars and costs $131.99.
What types of Performance Mufflers do you sell for my 1991 GMC C1500?
We currently have just 1 Performance Muffler in stock for a 1991 GMC C1500, and as of 8/2/26, it is a Performance Muffler.
Can I get help with 1991 GMC C1500 Performance Muffler orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Mufflers and more.
What is your return policy for GMC C1500 Performance Mufflers?
Advance Auto Parts keeps returns simple. For new GMC C1500 Performance Mufflers and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.