Quote:
Originally Posted by Jay Carnes  We used to just take a stock cat & smash a pipe through it & weld it inline. Last time I did it we took the heat shields off a cat & just tig welded them onto the pipe. As long as the truck doesn't throw a check engine light it will pass for a sticker here in MA. My old PowerJoke would throw exhaust flow codes so I had to put it back on, couldn't get around it.
Good luck! | does this work? will it throw any codes on my truck?
__________________ 05' GMC 4WD SLT CREW CAB WITH 2 CARSEATS IN THE BACK!
FIRST DIESEL,
LOVE IT,CANT WAIT TO DO SOME MODS. 
Air Box Mod... More to come...
Coolant Filter System, Courtesy of Dieselsite... 
Hypertech Max Energy, Lots of Chrome!:cool
Turbo resonator box plugged! Nice Whistle!
EGR Blocker Plate.... White Lighting light bar by RECON  | 
Linear Mode
