Shop by Vehicle

Shop by Brand

GMC R3500 Muffler

We have 5 Items In-stock. Select a year to continue.
$146.47 List Price $172.83 Save $26.36 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
WALKER QUIET-FLOW 3 MUFFLER

Walker's Quiet-flow3 muffler features a sophisticated internal routing and tuning technologies for superior flow and premium OE-style sound. Its internal partition baffles and spun-locked heads help improve structural support.

Specifications
  • Aluminized steel muffler material
Features
  • OE-style sound
  • SKU#: WK22675
  • Brand: Walker
  • Fit Note: 135.5 in. Wheelbase, Truck, 15,000 GVWR, 159.5 in. Wheelbase, Truck, 15,000 GVWR, 183.5 in. Wheelbase, Truck, 15,000 GVWR, Cab & Chassis, 135.5 in. Wheelbase, Truck, Under 15,000 GVWR, Cab & Chassis, 159.5 in. Wheelbase, Truck, Under 15,000 GVWR
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following GMC R3500 Years:
  • 1990-1991 | 8 Cyl 7.4L | Base, SLE
$101.99 List Price $131.99 Save $30.00 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
FLOWMASTER – 50 SERIES DELTA FLOW MUFFLERS

Flowmaster’s 50 Series Delta Flow mufflers turn your daily driver into something a little more exciting to drive, giving it a noticeable deep, moderate tone that you can actually customize thanks to Flowmaster’s patented Delta Flow and Laminar Flow technologies. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases torque and horsepower
  • 3-year warranty for aluminized steel, lifetime warranty for stainless steel
  • Fully MIG-welded for maximum strength
  • Come in stainless steel and 16-gauge aluminized steel
  • Distinct, customizable moderate tone that’s nice for your daily driver
  • Fabricated utilizing patented Laminar Flow and Delta Flow processes
  • Quick and easy installation
  • For passenger cars
  • Dyno-tested
  • SKU#: F139425502
  • Brand: Flowmaster
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 2-3 business days
(see more)
Fits the following GMC R3500 Years:
  • 1988 | 8 Cyl 7.4L | Base, High Sierra, Sierra Classic
$94.52 List Price $111.53 Save $17.01 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
Earn Double
AutoPoints
Instead of 95,
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 dramatically decreases its noise. It also produces an aggressive but cool tone from the inside %X96 something to be proud of when you are in the streets.

Features and Specifications:
  • Round casing
  • Single center inlet and outlet configuration
  • 2.25 in. inlet diameter; 4 in. outlet diameter
  • 5 in. width x 5 in. height; 20 in. overall length

Benefits:
  • Improves vehicle's performance
  • Dramatically decreases the noise
  • Stainless steel material for extended durability and longer life


  • SKU#: KV150110
  • 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 R3500 Years:
  • 1990-1991 | 8 Cyl 7.4L | SLE
  • 1987-1991 | 8 Cyl 7.4L | Base
(see more)
Rating: (see review/s)

"Very high quality muffler,all stainless steel construction,one third the price that other companies charge for the same product.This was a very easy installation to do.The best part was it is a muffler and tail pipe in one." posted by: jp morgan on September 19, 2011

"VERY GOOD PRODUCT, FOR THE MONEY... WILL DEFINELY RECOMMEND TO A FRIEND... THE ONLY THING IS THE SCREWS THAT HOLD THE SILENCES ARE NOT STRONG ENOUGH" posted by: WILLNY on June 24, 2009

$39.21 List Price $61.18 Save $21.97 Availability: In Stock
  • APW Bestseller
  • Low Price Guarantee
(

more

)

THRUSH TURBO MUFFLER

Thrush Turbo muffler features a unique and high flow design with reversible flow chambers for maximum flexibility. It is made of 100 percent aluminum for long life and has time-proven spun-locked heads for leak-free seal.

Specifications

  • Aluminized steel muffler material
  • 18.5 in. overall lenght
  • 4.25 x 9.25 in shell diameter

Features

  • Reversible for maximum flexibility
  • SKU#: D2217715
  • Brand: Thrush
  • Product Fit: Direct fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: 1-2 business days
  • Body Length: 14 in.
(see more)
Fits the following GMC R3500 Years:
  • 1990-1991 | 8 Cyl 7.4L | SLE
  • 1987-1991 | 8 Cyl 7.4L | Base
(see more)
Rating: (see review/s)

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

"The muffler as was purchased cannot be used right away. It needs gasket and other interconnection parts. It may be OK for someone experienced." posted by: Raghu on February 8, 2013 view all 7 reviews

$80.56 List Price $95.06 Save $14.50 Availability: In Stock
  • Free Ground Shipping
  • Low Price Guarantee
(

more

)
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 fully-welded construction offers stronger seams to prevent blow out under extreme conditions. Huge flow tubes provides blistering horsepower, while the sound tuned chambers provides unbelievable sound and minimize annoying resonance. And, Afterburner mufflers are fully reversible, designed for maximum flow in either direction.

Feature(s):

  • Awesome powerful sound with minimal resonance
  • Reversible

Specifications:

  • 13 in. L x 10 in. W x 4 in. H, 18 in. overall length
  • Aggressive sound level
  • Oval body shape
  • Single center inlet and dual offset outlet configuration
  • 3 in. inlet diameter
  • 2.5 in. outlet diameter
  • SKU#: F3150370
  • Brand: Flowtech
  • Product Fit: Direct fit
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 business days
(see more)
Fits the following GMC R3500 Years:
  • 1990-1991 | 8 Cyl 7.4L | SLE
  • 1988-1991 | 8 Cyl 7.4L | Base
(see more)