| opinion and personal preference. But in my car the JWT chip at 20psi w/o nos got 519 at the wheels and the same 20psi w/o nos w/ Ashspec got me 578rwhp. food for thought
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1990 300ZX TT w/ some mods 1997 BMW 540i6 modded 1996 Chevy Tahoe 2 Door 1998 CBR 900RR
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