Corsa Performance 1999-2006 Chevrolet Silverado, GMC Sierra, 4.8L, 5.3L V8, 3.0" Dual Rear Exit Catback Exhaust System with 4.0" Tips (14273) Sport Sound Level Tip Color:Black using HP Tuners

using HP Tuners

the air fuel ratio is leaned out slightly to the safe maximum ratio

Wire adapters are included

and extremely efficient at ALL RPM

010 regrind

Corsa Performance 1999-2006 Chevrolet Silverado, GMC Sierra, 4.8L, 5.3L V8, 3.0" Dual Rear Exit Catback Exhaust System with 4.0" Tips (14273) Sport Sound Level Tip Color:Black using HP TunersVEHICLE FITMENT 1999 2006 GMC Sierra 1500, Crew Cab Short Bed, 4. 8L, 5. 3L V8 143. 5" Wheelbase 1999 2006 GMC Sierra 1500, Extended Cab Standard Bed, 4. 8L, 5. 3L V8 143. 5" Wheelbase 1999 2006 Chevrolet Silverado 1500, Crew Cab Short Bed, 4. 8L, 5. 3L V8 143. 5" Wheelbase 1999 2006 Chevrolet Silverado 1500, Extended Cab Standard Bed, 4. 8L, 5. 3L V8 143. 5" Wheelbase PRODUCT DESCRIPTION 3. 0" Cat Back, Dual Rear Exit with Single 4. 0" Polished Pro