| I see ya have 4 inch exhaust.Fact diameter pipes all the way to 5 inch will NOT have issues with back pressure,unless it threw a code,no worry!!I've straight piped now for 3 months and have never had a prob.Just keepin my right foot up,loved the sound also!!!
__________________  2006 GMC 2500HD 4x4{cc,sb,SLE} 90/175hp tune,nocat/muff!Naked pic of wife hanging from the rear view.
Goodies waiting for installation!!  LBZpowered!! 
2002 GMC 1500 [2wd]5.3 power{98k}20 in wheels on!!! LOOK AT AVATAR<<<<
1987 Monte Carlo SS all orig!!89k.....
1978 Malibu [2 dr!!]too far in the $$$ to ever think of selling..[ZZ4 from GMPP coming in March!!  ] HOT SHOT RIG:2002 GMC Yukon XL***312,674 miles***Hytech tuned,K&N cai[not my choice]...Runs like a whore in church... The left lane was meant to pass,move over or we'll run over your assss!!!P.H.inc. Hot shot 7080let he who touch dis sig die... |