For those of you out there making (or would like to make) lots of power...

Granatelli Exhaust System

looks like the big exhaust comes with a big price

 

Looks great, although I'm not sure about that "fake" O2 sensor to trick the computer. I guess if you don't get a tune that's needed though.

 

You should have the rear O2's turned off anyhow! They're just trying to get around the tuning.

 

Two months later and still no CEL with offroad x-pipe.Running all censors.Also, If your already running offroad pipes with 2.5 inch system you will not show any diferance in performance if you go 3inch.Big waste unless your supercharging or raising compresion to over 12.0.I will garrantee that........