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GMC Muffler

We have 9 Items In-stock.
$26.84 List Price $47.98 Save $21.14 Availability: In Stock
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WALKER SOUNDFX MUFFLER

Walker's SoundFX muffler features a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Its all-aluminized construction (see more)
  • SKU#: WK17886
  • Brand: Walker
  • Fit Note: Z Plus, Without Turbo, Z Plus
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
  • Attachment Style: Weld-On
(see more)
Fits the following GMC Model:
  • Caballero | 8 Cyl 4.4L | Laredo, Base, Diablo, Conquista, Royal Knight, Amarillo
Rating: (see review/s)

"The part itself was at a great price. It matched right up to the pipe I previously bought. Nice and easy. I guess it had to come from Cally. So it took a while to get here. The other part was here in less that 2 days." posted by: bassman on June 2, 2014

$94.44 List Price $123.45 Save $29.01 Availability: In Stock
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FLOWMASTER – SUPER 40 SERIES DELTA FLOW MUFFLERS

Flowmaster’s Super 40 Series Delta Flow mufflers give your vehicle noticeable edge with their aggressive tone – surely one of the reasons they’re a (see more)

  • SKU#: F13953047
  • Brand: Flowmaster
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC Models:
  • Sierra 1500 | 8 Cyl 5.3L | HT, Base, SLE, SLT, WT, SL, Classic SL, Classic SLE, Classic SLT, Classic WT, XFE
  • Yukon XL 1500 | 8 Cyl 5.3L | SLE, SLT
(see more)
Rating: (see review/s)

"No suprises what I expected.............................................." posted by: on October 12, 2013

$53.78 List Price $63.46 Save $9.68 Availability: In Stock
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KOOL VUE HIGH PERFORMANCE MUFFLER, STAINLESS STEEL, POLISHED

Looking for a high performance muffler? KOOL VUE mufflers offer a selection that improves your vehicle's performance and at the same time (see more)
  • SKU#: KV150103
  • Brand: Kool Vue
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-on
(see more)
Fits the following GMC Models:
  • Jimmy | 6 Cyl 4.3L | Base, SLE, SLT, SLS, SL, Envoy, Diamond Edition
  • K1500 Suburban | 8 Cyl 6.5L | Base, SLE, SLT
(see more)
Rating: (see review/s)

"love it sounds great!!!!i buy from here all the time!!!!good price!!!!" posted by: on January 26, 2014

"I had a garage install the muffler they said it was a very easy muffler to install it sounded good at the beging but after the first day it doesnt sound good at all." posted by: J on March 10, 2011 view all 4 reviews

$39.21 List Price $61.18 Save $21.97 Availability: In Stock
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THRUSH – TURBO MUFFLERS

Thrush makes a wide selection of mufflers with a choice of sizes and inlet/outlet positions to make sure you get the right fitting muffler for your ride. Thrush Turbo Mufflers (see more)

  • SKU#: D2217715
  • Brand: Thrush
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
(see more)
Fits the following GMC Models:
  • Jimmy | 6 Cyl 4.3L | Base, SLE, SLT, SLS, SL, Envoy, Diamond Edition
  • K1500 Suburban | 8 Cyl 6.5L | Base, SLE, SLT
(see more)
Rating: (see review/s)

"Good buy, would be better with adapters for ends to match car." posted by: on September 26, 2014

"PRODUCT WAS JUST AS ORDERED. WAS INSTALLED WITH EASE." posted by: G LAB on March 21, 2013 view all 8 reviews

$36.91 List Price $61.18 Save $24.27 Availability: In Stock
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DYNOMAX – THRUSH TURBO MUFFLERS

Dynomax offers a selection of mufflers with a choice of sizes and inlet/outlet positions to make sure you get the right fitting muffler for your ride. Dynomax Thrush (see more)

  • SKU#: D2217702
  • Brand: Dynomax
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC Models:
  • Jimmy | 6 Cyl 4.3L | Base, SLE, SLT, SLS, SL, Envoy, Diamond Edition
  • K1500 Suburban | 8 Cyl 6.5L | Base, SLE, SLT
(see more)
Rating: (see review/s)

"Everything as described, shipped timely, recieved in good condition, works as expected." posted by: endoftheriver on July 30, 2009

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$42.27 List Price $49.88 Save $7.61 Availability: In Stock
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Heartthrob Exhaust Turbo Universal Mufflers combine quiet performance with nice flow. They are double-wrapped and welded with two baffles and cores. The double wrapped shell provides a quieter sound (see more)
  • SKU#: HEA437
  • Brand: Heartthrob Exhaust
  • Fit Note: 3/4 Ton
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
(see more)
Fits the following GMC Models:
  • K15/K1500 Pickup | 8 Cyl 7.4L | Base
  • C15/C1500 Pickup | 8 Cyl 7.4L | Base
(see more)
$90.61 List Price $152.87 Save $62.26 Availability: In Stock
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GIBSON – SUPERFLOW MUFFLERS

Gibson’s Superflow mufflers are dyno-proven to dramatically increase the performance of your low to mid-range RPMs due to their Convergent Flow technology and straight (see more)

  • SKU#: G2755131
  • Brand: Gibson
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
(see more)
Fits the following GMC Models:
  • C25/C2500 Suburban | All Engines | All Submodels
  • Jimmy | 8 Cyl 5.0L | Sierra Grande, Street Coupe, High Sierra, Sierra Classic, Base, Silverado
(see more)
$298.51 List Price $352.24 Save $53.73 Availability: In Stock
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BANKS MONSTER MUFFLER

Banks Monster muffler features exclusive expansion chamber design that dissipates annoying mid-range drone. Flows up to 201 percent better than stock and it delivers an (see more)

  • SKU#: B7653800
  • Brand: Banks
  • Fit Note: Truck
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following GMC Models:
  • Sierra C3 | All Engines | All Submodels
  • Sierra 2500 | All Engines | All Submodels
(see more)
$73.31 List Price $86.51 Save $13.20 Availability: In Stock
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Flowtech Afterburner Mufflers are your very best bet for optimum performance and awesome sound. They are made with an aluminized case for miles and miles of rust and corrosion protection. Their (see more)
  • SKU#: F3150370
  • Brand: Flowtech
  • Fit Note: Inlet 3 in., Dual Outlets 2.5 in., Case Dimensions 4x10x13 in.
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
(see more)
Fits the following GMC Models:
  • R2500 | 8 Cyl 7.4L | Base, High Sierra, Sierra Classic
  • R3500 | 8 Cyl 7.4L | High Sierra, Sierra Classic, Base, SLE
(see more)
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Select your GMC Muffler model from the list below.