How much hp, tq and 1/4 mile improvement from full exhaust on a stock car? - 2003-04 Mach 1 Registry Owners Club

WhiteautoMach · 08-23-2009, 11:25 PM

Emissions legal headers, catted h or x pipe and cat back.

Lonestar7 · 08-24-2009, 01:15 AM

JBA shorties are the only emission legal set I know of. If Nevada is like Colorado its a ***** to pass. I keep my car reged in Texas so I can drive it and cops don't hassle me.

LS

08-23-2009, 11:25 PM	#1
WhiteautoMach Registered User Join Date: Oct 2008 Location: Reno, NV Posts: 472	How much hp, tq and 1/4 mile improvement from full exhaust on a stock car? Emissions legal headers, catted h or x pipe and cat back. __________________ '03 Automatic. No silencer, K&N FIPK, 3450# race weight, drag radials, cat back, custom tune, alum. driveshaft, intake spacer, raised scoop, underdrive pulleys, larger subframe connectors, synthetic engine oil, removed front sway bar, battery to trunk, 2.06 60', 12.99 @ 107.4

08-24-2009, 01:15 AM	#2
Lonestar7 Guest Join Date: Apr 2007 Location: Denver, CO Posts: 3,152	Re: How much hp, tq and 1/4 mile improvement from full exhaust on a stock car? JBA shorties are the only emission legal set I know of. If Nevada is like Colorado its a ***** to pass. I keep my car reged in Texas so I can drive it and cops don't hassle me. LS

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