| yes just put a 5" on the lb7.On my lly with a stock pipe made into a straight it whistled real loud,i even had guys wondering if i was running twin turbos.then i put a 5" turbo back magnaflow exhaust on and it really rumbled under full throttle,but then i switch to a dual 4" silverline turbo back exhaust and put the 5" on my 06 lbz.ps the 5" sounds the best.
__________________ James
I HAVE THE MEDAL  
05 LLY Chevy LS E/C L/B DRW my older brothers truck now
2006 LBZ GMC SLE C/C S/B,sold the truck to my dad for a business truck
My Truck now,1987 Chevy 2500 350 tweaked,6" SuperLift,350 V8 bored 60 over,Elderbrock headers Cam and Titanium Rockers,750 Twin Pumped Holley Carb and some other goodies.crank dynos over 400HP.
Last edited by TYREBOYZ_DEMAXIN : 02-20-2007 at 02:55 PM.
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