have you heard the stock exhaust on the 6.2 denali's. thought about doing that but id hate to know how much that would cost from a dealer. i thought the 6.0 gto's sounded good stock but these make them sound like a 6 banger. i recomend going to a dealer and check one out.
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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