Im getting my exhaust done tomorow. Going with 2 40's flowmasters and running them back into the factory Y & tailpipes. Wanted to go with the super 44 and true dual tail pipes but this is only costing me 30 bones.
Im getting my exhaust done tomorow. Going with 2 40's flowmasters and running them back into the factory Y & tailpipes. Wanted to go with the super 44 and true dual tail pipes but this is only costing me 30 bones.
David,
2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,
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