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GMC S15 Jimmy Muffler

We have 6 Items In-stock. Select a year to continue.
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GMC S15 Jimmy Muffler, Kool Vue Muffler - Polished, Stainless Steel, Direct Fit

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$57.39 $87.18 You Save $29.79 (34%)
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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 dramatically decreases its noise. It also produces an aggressive but cool tone from the inside – 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
  • 13.75 in. length x 6 in. width x 6 in. height; 17.5 in. overall length

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


  • Brand SKU#: Kool Vue KV150102
  • Material: Stainless Steel
  • Color/Finish: Polished
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
  • 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: Stainless Steel
  • Warranty: 1-year Kool Vue limited warranty
  • Width: 6 in.
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Fits the following GMC S15 Jimmy Years

  • 1985 | High Sierra | 4 Cyl 2.5L
  • 1985 | High Sierra | 6 Cyl 2.8L
  • 1985-1988 | Base | 4 Cyl 2.5L
  • 1985-1988 | Gypsy | 4 Cyl 2.5L
  • 1985-1988 | Sierra Classic | 4 Cyl 2.5L
  • 1985-1989 | Base | 6 Cyl 2.8L
  • 1985-1989 | Gypsy | 6 Cyl 2.8L
  • 1985-1989 | Sierra Classic | 6 Cyl 2.8L
  • 1987 | High Country | 4 Cyl 2.5L
  • 1987 | High Country | 6 Cyl 2.8L
  • 1988 | Timberline | 4 Cyl 2.5L
  • 1988-1989 | Timberline | 6 Cyl 2.8L
  • 1988-1989 | Timberline | 6 Cyl 4.3L
  • 1988-1990 | Gypsy | 6 Cyl 4.3L
  • 1988-1990 | Sierra Classic | 6 Cyl 4.3L
  • 1988-1991 | Base | 6 Cyl 4.3L
  • 1991 | SLE | 6 Cyl 4.3L
  • 1991 | SLS | 6 Cyl 4.3L
  • 1991 | SLT | 6 Cyl 4.3L
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GMC S15 Jimmy Muffler, Flowmaster 40 Series Original Muffler - Gray, Aluminized Steel, Minor Modifications

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$81.32 $106.31 You Save $24.99 (24%)
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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
  • Brand SKU#: Flowmaster 42441
  • Series: Flowmaster 40 Series Original
  • Material: Aluminized Steel
  • Color/Finish: Gray
  • 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.
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Fits the following GMC S15 Jimmy Years

  • 1983-1991 | All Submodels | All Engines

GMC S15 Jimmy Muffler, Thrush Turbo Muffler - Natural, Aluminized Steel, Universal

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$39.49 $61.18 You Save $21.69 (35%)
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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 have the classic Thrush sound and have a tested reverse flow design. Thrush Mufflers was founded almost 50 years ago during a time when hot rods and muscle cars ruled the streets of America. Fast forward to today and Thrush Mufflers are still the preferred muffler of muscle car and hot rod owners across the land. Be assured that when installing a Thrush Muffler you will get an aggressive and powerful sounding exhaust tone, hence Thrush’s motto; “Vintage Sound…Today’s Power.”

  • Available in 2.25 inch, 2.5 inch and 3 inch inlets and outlets
  • Available muffler shell sizes from 11 inches to 20 inches
  • Made of 100 % aluminized steel
  • Completely reversible for Flexibility during installation
  • Classic Thrush sound
  • Does not void your vehicle’s factory warranty
  • Reverse flow design
  • Brand SKU#: Thrush 17715
  • Series: Thrush Turbo
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Weld-On
  • Body Length: 14 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Tri-Flow
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 18.5 in.
  • Warranty: Lifetime Thrush limited warranty
  • Width: 9.75 in.
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Fits the following GMC S15 Jimmy Years

  • 1985 | High Sierra | 4 Cyl 2.5L
  • 1985 | High Sierra | 6 Cyl 2.8L
  • 1985-1988 | Base | 4 Cyl 2.5L
  • 1985-1988 | Gypsy | 4 Cyl 2.5L
  • 1985-1988 | Sierra Classic | 4 Cyl 2.5L
  • 1985-1989 | Base | 6 Cyl 2.8L
  • 1985-1989 | Gypsy | 6 Cyl 2.8L
  • 1985-1989 | Sierra Classic | 6 Cyl 2.8L
  • 1987 | High Country | 4 Cyl 2.5L
  • 1987 | High Country | 6 Cyl 2.8L
  • 1988 | Timberline | 4 Cyl 2.5L
  • 1988-1989 | Timberline | 6 Cyl 2.8L
  • 1988-1989 | Timberline | 6 Cyl 4.3L
  • 1988-1990 | Gypsy | 6 Cyl 4.3L
  • 1988-1990 | Sierra Classic | 6 Cyl 4.3L
  • 1988-1991 | Base | 6 Cyl 4.3L
  • 1991 | SLE | 6 Cyl 4.3L
  • 1991 | SLS | 6 Cyl 4.3L
  • 1991 | SLT | 6 Cyl 4.3L
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GMC S15 Jimmy Muffler, Dynomax Super Turbo Muffler - Natural, Aluminized Steel, Direct Fit

$106.05 $187.36 You Save $81.31 (43%)
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DYNOMAX – SUPER TURBO MUFFLERS

Custom car, muscle car and hot rod owners insist on installing Dynomax Super Turbo Mufflers to give their high-powered traditionally aggressive sounding vehicles a mellower tone. Dynomax Super Turbo Mufflers are available in a wide selection of inlet/outlet positions and different sizes to get a perfect fit for your vehicle. Dynomax is a world leader in the performance exhaust space, manufacturing products held to the highest engineering standards and backed by extensive research and development.

  • Available in wide choice of inlet and outlet sizes
  • Made of 100 % aluminized steel
  • Mellow but sporty exhaust tone
  • Does not void your vehicle’s factory warranty
  • Minimizes backpressure with large internal tubes
  • Up to 700 SCFM flow, (dyno tested) 
  • Brand SKU#: Dynomax 17767
  • Series: Dynomax Super Turbo
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Weld-On
  • Body Length: 20 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Internal Construction: Turbo
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 25.5 in.
  • Warranty: Lifetime Dynomax limited warranty
  • Width: 9.75 in.
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Fits the following GMC S15 Jimmy Years

  • 1983-1991 | All Submodels | All Engines

GMC S15 Jimmy Muffler, Walker SoundFX Muffler - Natural, Aluminized Steel, Minor Modifications

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$46.77 $68.14 You Save $21.37 (31%)
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WALKER – SOUNDFX MUFFLERS

Shape your exhaust tone just right with the aluminized tube-and-partition structure of Walker’s SoundFX mufflers. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Engineered with tube-and-partition structure
  • Manufactured with rust-resistant, aluminized steel
  • Heads are firmly spun-locked to protect against breakage
  • Built for OE-quality function and sound
  • Spot-welded bushings and internal mechanical joints increase stability
  • Quick and simple to install
  • Brand SKU#: Walker 17800
  • Series: Walker SoundFX
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • 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.
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Fits the following GMC S15 Jimmy Years

  • 1983-1984 | Base | 4 Cyl 1.9L
  • 1983-1984 | Base | 4 Cyl 2.0L
  • 1983-1984 | Gypsy | 4 Cyl 1.9L
  • 1983-1984 | Gypsy | 4 Cyl 2.0L
  • 1983-1984 | Sierra Classic | 4 Cyl 1.9L
  • 1983-1984 | Sierra Classic | 4 Cyl 2.0L
  • 1983-1987 | Base | 6 Cyl 2.8L
  • 1983-1987 | Gypsy | 6 Cyl 2.8L
  • 1983-1987 | Sierra Classic | 6 Cyl 2.8L
  • 1985 | High Sierra | 6 Cyl 2.8L
  • 1987 | High Country | 6 Cyl 2.8L
  • 1988-1989 | Timberline | 6 Cyl 4.3L
  • 1988-1990 | Gypsy | 6 Cyl 4.3L
  • 1988-1990 | Sierra Classic | 6 Cyl 4.3L
  • 1988-1991 | Base | 6 Cyl 4.3L
  • 1991 | SLE | 6 Cyl 4.3L
  • 1991 | SLS | 6 Cyl 4.3L
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GMC S15 Jimmy Muffler, Gibson Superflow Muffler - Natural, Aluminized Steel, Direct Fit

$112.78 $152.87 You Save $40.09 (26%)
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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 design that makes exhaust flow more efficiently. Gibson is known as the leading manufacturer of street-legal, high performance exhaust systems for trucks, SUVs, diesels, off-road vehicles and RVs.

  • Most reliable, trouble-free and affordable muffler available - period
  • Deep, rich big block sound outside and relatively quiet interior
  • Convergent Flow Technology means dramatically more efficient exhaust flow
  • Baffled and chambered design means optimal volumetric efficiency
  • Features straight design which improves exhaust flow to increase torque and horsepower
  • Dyno-tested
  • Direct fit by vehicle year, make and model
  • Made in America
  • Makes significant improvements in low to mid-range
  • Comes in universal oval, round or in a race muffler style
  • Brand SKU#: Gibson 55131
  • Series: Gibson Superflow
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • 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: Baffled and Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 2.25 in.
  • Overall Length: 13 in. (Body)
  • Tip Diameter: No Tips
  • Tip Finish: No Tips
  • Tip Material: No Tips
  • Warranty: Lifetime Gibson limited warranty
  • Width: 9 in.
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Fits the following GMC S15 Jimmy Years

  • 1983-1986 | All Submodels | All Engines

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