SLP PerformancePac, 1999 F-Car "Loud Mouth" Exhaust w/Dual/Dual Tips 375HP
Get 375 horsepower…with bolt-on parts!

Take the guesswork out of upgrading your LS1 F-Body, with the PerformancePac™ from SLP Performance Parts. Each 375 HP package comprises a group of jointly engineered induction and exhaust components, all of which work together to significantly improve performance without adversely affecting drivability. Best of all, you’ll save $75 over the cost of purchasing the parts individually!
This Stage 2 PerformancePac™ contains the following items:
High-Flow Air-Box Lid (21044)
Cold-Air Induction Package (21033)
High-Flow K&N Air Filter (25012B)
F-Body Smooth Bellows (23065)
Modular Loud Mouth™ Exhaust System w/2.5" Dual/Dual Tips (31042)
85mm High-Flow MAF Sensor (23060)
DiabloSport II Programmer with SLP Custom Tuning (27007T)
1.85-Ratio Rocker Arms w/ Springs & Retainers (51186)
375 HP Fender Badges (pair)


NOTE: Contents may vary slightly from photograph.