View our Specials! Coupon Code: SaveIn2026
Gibson Cat-Back - Single for a 1988-1989 Chevrolet C3500, 1988-1989 Chevrolet K3500, 1988-1989 GMC C3500 and 1988-1989 GMC K3500.
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Gibsons best performing exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. Exits behind the rear tire near stock location with a polished Stainless Tip. Dyno tested results have proven increases as much as 32 horsepower and 60ft lbs of increased torque. Hassle free, bolt-on installation with professional looking results.
Features:| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 1988 - 1989 | Chevrolet | C3500 | Silverado | ||
| 1988 - 1989 | Chevrolet | C3500 | Scottsdale | ||
| 1988 - 1989 | Chevrolet | C3500 | Cheyenne | ||
| 1988 - 1989 | Chevrolet | K3500 | Silverado | ||
| 1988 - 1989 | Chevrolet | K3500 | Scottsdale | ||
| 1988 - 1989 | Chevrolet | K3500 | Cheyenne | ||
| 1988 - 1989 | GMC | C3500 | Sierra SLX | ||
| 1988 - 1989 | GMC | C3500 | Sierra SLE | ||
| 1988 - 1989 | GMC | C3500 | Sierra | ||
| 1988 - 1989 | GMC | K3500 | Sierra SLX | ||
| 1988 - 1989 | GMC | K3500 | Sierra SLE | ||
| 1988 - 1989 | GMC | K3500 | Sierra |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov IN STOCK - LOW JBA 1822S-3JSJBA Cat4Ward Headers JBA 88-93 GM Truck 7.4L BBC w/o A.I.R. 1-3/4in Primary Silver Ctd Cat4Ward Header $1,096.45
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 IN STOCK BD Diesel 1300210BD Diesel Exhaust Brake Components BD Diesel Push/Pull Switch Kit Exhaust Brake - 5/8in Manual Lever $104.17
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 IN STOCK - LOW Cometic Gasket C5897HTSCometic Gasket Exhaust Gaskets Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set |
 IN STOCK - LOW Cometic Gasket C5251-030Cometic Gasket Exhaust Gaskets Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust Gasket $65.52
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 IN STOCK Magnaflow 334006Magnaflow Universal Converter MagnaFlow Universal Catalytic Converter 2.5inch T2 Rear $219.00
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For more information on Gibson part number 615556L, you can visit the official Gibson website.
