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Old 03-24-2021, 07:29 AM   #26
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 4,195
Quote:
Originally Posted by 1LETHAL_ZL1 View Post
FYI

I will be eventually installing long-tube headers, so that's something to factor in as well.

You'd be better off first doing headers and hiflow cats and keeping the stock catback, which will sound great and give you ~15-20hp. (your stock cats will not fit behind headers)
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO.
15" conversion, MT ET Street R 325/15.
100 octane: 1045hp/1055tq.
100 octane + Meth (1x10+): 1117 hp/1067 tq
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