Mine were with a Y, it was alot cheaper. Exhaust shop cut and made it to work with the factory pipes.
Mine were with a Y, it was alot cheaper. Exhaust shop cut and made it to work with the factory pipes.
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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