| for the best results do a 4" exhaust but you can do the straight using the stock piping if you want to save money but it doesn't have the results like the aftermarket exhaust..
__________________ James 
TyreBoyz Pulling Team
Pulling Truck called Late Nights
Puller/DD=04 LLY Reg Cab 2500HD,EFILive'd,Built Tranny and a fe fuel upgrades!
Business Truck
06 LBZ 2500 CC SB SRW,EFILive'd and a Built Tranny
DD/Beat Around
03 5.3L 1500 EC SB,Hypertech,Upgraded Tranny,Exhaust and CAI
Economy Saver
02 VW Jetta TDI,Stock for now but looking at a Chip,Nozzles and CAI!
tricycles = teaching childern from a early age that front wheel drive sucks  |