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#1
05-01-2004, 01:19 PM
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exhaust cut out
i just put an exhaust cut out on my formula and i was thinking that it might actually make it slower off the line because theres no backpressure. Would the cut out make up for the loss by the end of the quatermile when im at hi rpm's?
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97 firebird formula 6 speed Custom ram air Granatelli MAF Flowmaster american thunder exhaust Throttle body bypass Flowtech dump pipe Hurst short shifter Air foil 2001 WS6 rims with 315/35/17 nitto 555rs in rear 
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#2
05-01-2004, 02:45 PM
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Re: exhaust cut out
Quote:
You do lose some backpressure with the cutout. It seems to be more noticed on automatic cars, but it makes up for it on the top end. With just a lid and cutout, I was running just over 107mph in San Antonio in the dead of summer(high 90s/low 100s).
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DarkblueTA GT70, FMIC, Alky-water injection, Hooker Cat back, 208/230 .549/.579 121LSA Cam, forged diamond pistons/eagle rods, LS6 block, Lakewood LCAs, BMR STB/PHRB/Sway Bars, poly torque arm bushing, Spec Stage 4i clutch, B&M Ripper Shifter, SLP Subframes, 60# injectors, KYB AGX shocks/struts, Moser 12 bolt(373 gears, 33 spline axles, posi, ta girdle/etc/etc/etc) and HPTuner kit 2007 Nissan Titan Daily Driver. 2* advance 
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#3
05-03-2004, 01:18 AM
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so it was worth it then
__________________
97 firebird formula 6 speed Custom ram air Granatelli MAF Flowmaster american thunder exhaust Throttle body bypass Flowtech dump pipe Hurst short shifter Air foil 2001 WS6 rims with 315/35/17 nitto 555rs in rear
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#4
05-03-2004, 03:33 AM
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Re: exhaust cut out
Quote:
Yes
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DarkblueTA GT70, FMIC, Alky-water injection, Hooker Cat back, 208/230 .549/.579 121LSA Cam, forged diamond pistons/eagle rods, LS6 block, Lakewood LCAs, BMR STB/PHRB/Sway Bars, poly torque arm bushing, Spec Stage 4i clutch, B&M Ripper Shifter, SLP Subframes, 60# injectors, KYB AGX shocks/struts, Moser 12 bolt(373 gears, 33 spline axles, posi, ta girdle/etc/etc/etc) and HPTuner kit 2007 Nissan Titan Daily Driver. 2* advance
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