Gibson 99-01 Chevrolet Silverado 1500 Base 4.3L 3in Cat-Back Single Exhaust - Aluminized

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 10-15 and 15-20lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty.Installation InstructionsCertificate of OriginWarrantyThis Part Fits: Year Make Model Submodel 1999-2001 Chevrolet Silverado 1500 Base 1999-2001 Chevrolet Silverado 1500 LS 1999-2001 Chevrolet Silverado 1500 LT 1999-2000 Chevrolet Silverado 2500 Base 1999-2000 Chevrolet Silverado 2500 LS 1999-2000 Chevrolet Silverado 2500 LT 1999-2001 GMC Sierra 1500 SL 1999-2001 GMC Sierra 1500 SLE 1999-2001 GMC Sierra 1500 SLT 1999-2000 GMC Sierra 2500 SL 1999-2000 GMC Sierra 2500 SLE 1999-2000 GMC Sierra 2500 SLT