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Muffler for 1989 GMC S15

We have 35 Items In-stock. Select your vehicle's Submodel to continue.

Walker Quiet-Flow3 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.

Features
  • OE-style sound
  • Aluminized steel muffler material
Walker Muffler, Aluminized Steel, Natural, Direct Fit
$73.65 List Price $86.91 Save $13.26 Availability: In Stock
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  • SKU#: WK22500
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic

Walker SoundFX Muffler

Walker's SoundFX mufflers feature a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Their all-aluminized construction provides longer service life and quality appearance.

Features:
  • OE-style sound
  • Aluminized steel muffler material
Walker Muffler, Walker SoundFX, Aluminized Steel, Natural
$49.83 List Price $58.80 Save $8.97 Availability: In Stock
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  • SKU#: WK18187
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
Rating: (see review/s)

"Exact fit $30 cheaper than my local parts dealer and cost just enough to qualify for free shipping. Very satisfied." posted by: Buzz on October 28, 2013

Walker Muffler, Walker SoundFX, Aluminized Steel, Natural
$49.18 List Price $58.03 Save $8.85 Availability: In Stock
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  • SKU#: WK17800
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Attachment Style: Clamp-On
  • Body Length: 21 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Perforated
  • Notes: Modifications and/or additional parts required
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2 in.
  • Overall Length: 26 in.
  • Warranty: 90-day Walker limited warranty
  • Width: 9.75 in.
see more Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
Rating: (see review/s)

"Great Product and Great Service. It was easy to locate proper product and easy to order. They kept me updated til the package arrived which was but a few days to my door. Installation was extremely easy as well. Thanks" posted by: Ten on December 16, 2008

Walker Tru Fit Muffler

Walker's Tru-Fit muffler features a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Its all-aluminized construction provides longer service life and quality appearance.

Specifications
  • Aluminized steel muffler material
Features:
  • OE-style sound
Walker Muffler, Walker Tru Fit, Aluminized Steel, Natural
$49.75 List Price $58.71 Save $8.96 Availability: In Stock
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  • SKU#: WK18107
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic

Flowmaster - 40 Series Original Mufflers

FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep tone that will make you smile as you put the pedal to the metal. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Great for muscle cars or vehicles that need a single exhaust
  • Backed by a lifetime warranty for stainless/3 years for aluminized steel
  • Fully MIG-welded for maximum strength
  • Comes in 16-gauge aluminized steel or stainless steel
  • Quick and easy installation
  • Very aggressive tone
  • Improves torque and horsepower
  • Come in single or dual pipe style
  • Dyno-tested
Flowmaster Muffler, Flowmaster 40 Series Original, Aluminized Steel, Gray
$77.50 List Price $100.29 Save $22.79 Availability: In Stock
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  • Free Ground Shipping
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  • SKU#: F1342441
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Chambered
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 19 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 9.75 in.
see more Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
Flowmaster Muffler, Flowmaster 40 Series Original, Stainless Steel, Gray
$82.99 List Price $107.40 Save $24.41 Availability: In Stock
  • Free Ground Shipping
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  • SKU#: F138042441
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Chambered
  • Notes: Minor Modifications
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 19 in.
  • Warranty: Lifetime Flowmaster limited warranty
  • Width: 9.75 in.
see more Fits the following 1989 GMC S15 submodels:
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic

Kool Vue Stainless steel Muffler

Kool Vue Stainless Steel Muffler is an affordable replacement for your old and rusty original unit. It is made from stainless steel material for extended durability.

  • Affordable replacement for old and rusty original unit
  • Stainless steel material for extended durability and longer life
  • Comes with 2-year Kool Vue limited warranty

You can't go wrong with Kool Vue parts! From restoration to performance products, Kool Vue has got you covered! Kool Vue is a tried and tested brand trusted by thousands of DIY people and body shops alike; it provides only the best quality products for its customers, and best of all it comes with a 2-year Kool Vue limited warranty!

Kool Vue Muffler, Stainless Steel, Polished, Direct Fit
$94.52 List Price $111.53 Save $17.01 Availability: In Stock
  • APW Bestseller
  • Free Ground Shipping
  • Low Price Guarantee
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Intead of 95,
  • SKU#: KV150110
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On
  • Case Shape: Round
  • Height: 5 in.
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 4 in.
  • Overall Length: 20 in.
  • Tip Finish: Polished
  • Tip Material: Steel
  • Warranty: 2-year Kool Vue limited warranty
  • Width: 5 in.
see more Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
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 view all 2 reviews

Kool Vue Muffler, Stainless Steel, Polished, Universal
$88.21 List Price $104.09 Save $15.88 Availability: In Stock
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Intead of 88,
  • SKU#: KV150105
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Weld-On
  • Body Length: 14 in.
  • Case Shape: Oval
  • Height: 5 in.
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Notes: May require minor modifications during installation
  • Outlet Location: Center
  • Outlet Quantity: Dual
  • Outlet Size: 3.5 in.
  • Overall Length: 24 in.
  • Tip Finish: Polished
  • Tip Material: Steel
  • Warranty: 2-year Kool Vue limited warranty
  • Width: 9 in.
see more Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
Rating: (see review/s)

"This comp. was there when I lost My order and I had only my ebay receit. Thay founded my order and sent out right any Thanks" posted by: zzsplash on March 11, 2014 view all 5 reviews

Kool Vue Muffler, Stainless Steel, Polished, Direct Fit
$53.78 List Price $63.46 Save $9.68 Availability: In Stock
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  • Free Ground Shipping
  • Low Price Guarantee
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Intead of 54,
  • SKU#: KV150103
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On
  • Body Length: 13.75 in.
  • Case Shape: Round
  • Height: 6 in.
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 4 in.
  • Overall Length: 17.5 in.
  • Tip Diameter: 4 in.
  • Tip Finish: Polished
  • Tip Material: Steel
  • Warranty: 2-year Kool Vue limited warranty
  • Width: 6 in.
see more Fits the following 1989 GMC S15 submodels:
  • 4 Cyl 2.5L | Base, High Sierra, Sierra Classic
  • 6 Cyl 2.8L | Base, High Sierra, Sierra Classic
  • 6 Cyl 4.3L | Base, High Sierra, Sierra Classic
Rating: (see review/s)

"love it sounds great!!!!i buy from here all the time!!!!good price!!!!" posted by: on January 26, 2014 view all 4 reviews

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DYNOMAX THRUSH TURBO MUFFLERS

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DYNOMAX SUPER TURBO MUFFLERS

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