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Re: Peanut sized Y-pipe ???
the LD Vortec 350's in the 1/2 tons have 1 7/8" headpipes, whil eth HD Vortec 350's in teh 3/4 ton and 1 ton trucks have the 2 1/4- 2 1/2" headpipes.
The Vortec 454 has even larger pipes, but just because the truck is a 3500 or a 1 ton doesnt mean it has a 454 as it can have a Vortec 350 as well.
My 97 1/2 ton had the dual 1 7/8" headpipes and when I went to Hooker longtubes and dual 2 1/2 headpipes the difference was very noticeable.
peace
PAuly
97 GMC 2wd RCSB 5.7, s10 2700 footstall, Hooker 24621hkr LT's , 2.5" cats dual 4"pipes exit B4 pass. side tire, custom driveshaft 3.42 G80 FIPK MAF descreen GM/Mercruiser Marine intake manifold 29lb LS2(EV6) injectors Ed Wright PCM(best mod), LT4 KM 14.8@94mph 2.007 4000lbs 122mph
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