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Anybody running Spintech mufflers?
I'm planning an exhaust system for the 383 in the GMC and want to go with Spintechs, but not sure which model. I don't really want to attract the law so I think the Prostreet's are out of the question. The plan is to run 2 1/2" duals with crossover pipe behind Thorley Tri-Y headers and exit either before the rear wheels or in the stock location. Any and all opinions are appreciated.
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'72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water pump, Holley 4bbl vac sec, TH350 with B&M Shift Improver Kit. 12 bolt positraction.   
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10-21-2005, 08:36 PM
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