wes96z

iTrader: (1)

Hey guys ive got 00 M6 Z28 I just installed 1-3/4" QTP long tubes and an off road X pipe (2.5") I did the tr55 plugs at the same time. My only supporting mod is a whisper lid whats anybodys best guess on what my rwhp is and et?
p.s. im using 12" bullet mufflers and im on nitto dr's

DD966

iTrader: (3)

335 hp
12.9 1/4 mi.

Gloveperson

iTrader: (9)

12.9 on nittos? That is a little conservative. If you can drive, I expect mid 12's. With a manual, I see about the same power as DD966 said. With a tune you might see 340. Watch out for your 10-bolt though.

-Todd

777

iTrader: (21)