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#1
08-08-2004, 10:01 PM
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are race\test pipes loud?
hey since i live in va and there arent any emmision laws (that i know of lol) i'm thinkin about getting a race pipe to eliminate a cat, but i'm wondering if my exuast will become louder? normally i like loud but since i'm only 16 loud exuast + new driver + cops doesent equal a nice combo. also do they give noticable gains in power?
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1991 Mitsubishi 3000GT VR4 Twin Turbo- Forged Ross Pistons,Forged Crank,Forged and Shotpeened Rods,Stillin DP,K&N FIPK,Greddy Type-RS BOV,Magnacor Wires,Aluminum Y-Pipe,EGR Blocked,All Gutted Cats,Greddy Turbo Timer,Blitz Boost Guage,Autometer A\F Guage,Solid Shift Bushings,Red Top Batt,ACT 6 Puck Clutch,Free Boost Mod,99 Front End Conversion 
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#2
08-08-2004, 10:11 PM
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Re: are race pipes loud?
well im 17 plus i live in virginia also and my exhaust is loud yet i havnt got pulled yet.. but ive heard they will
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#3
08-08-2004, 10:56 PM
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test pipes on non turbos will be loud as hell. Turbo'd cars aren't loud because the turbo is the biggest restriction in the exhaust. I dont have any precats, cats on my car, stillen downpipe, ported O2 housings, and a custom catback with just glasspacks as mufflers (which is basically a straight pipe surrounded by fiber glass) and its not really that loud at all.
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Daily Driver: 2004 Jeep Grand Cherokee Special Edition 1994 Mitsubishi 3000GT SL-TT Automatic - Black 3.05 L Arias Forged Pistons, Pauter Forged Rods, DR Stage 3 heads, 3SX TD05 kit w/ E16G's, CX Racing FMIC, 550cc injectors, Walbro 255lph pump, + supporting mods 1994 Mitsubishi 3000GT VR-4 - Black Intake & Boost Controller so far 2006 Sea-Doo RXP Supercharged, Updraded SC, IC + supporting mods
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#5
08-09-2004, 01:01 AM
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Instead of installing a test pipe, put in a QTEC. It's like choosing between an illegal test pipe and a legal exhaust with the flip of a switch. check it out here http://www.quicktimeperformance.com/QTEC/index.html .
Or you can always just go with a standard y pipe cutout and manually remove the flange, but the QTEC is 1) awesome and 2) a lot easier than crawling under or perhaps even jacking up your car.
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93 3000GT base K&N | long tube headers | 3sx crank pulley| testpipe | Addco front/rear sway bars (3SX) | rear strut bar & front 3-point strut bar (by JonVr4 on 3Si) | solid motor mounts | LSD insert | KYB GR-2 struts | intrax springs | adj. control arms | ss brake lines | 16% taller 5th gear (teamrip.com) | H4 conversion | push-button start | datalogger | HKS S-AFR | PLX WB O2 coming soon: adj. cam gears | bi-xenon HID retrofit
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#6
08-09-2004, 11:00 AM
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Re: are race pipes loud?
wow i like the sound of the QTEC's, i always wondered if such devices existed, guess so, but thos things are pricy compared to a test pipe of ebay
 so since my car is boosted, it won't be too loud right.
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1991 Mitsubishi 3000GT VR4 Twin Turbo- Forged Ross Pistons,Forged Crank,Forged and Shotpeened Rods,Stillin DP,K&N FIPK,Greddy Type-RS BOV,Magnacor Wires,Aluminum Y-Pipe,EGR Blocked,All Gutted Cats,Greddy Turbo Timer,Blitz Boost Guage,Autometer A\F Guage,Solid Shift Bushings,Red Top Batt,ACT 6 Puck Clutch,Free Boost Mod,99 Front End Conversion
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#7
08-09-2004, 04:30 PM
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so ya, QTEC is a bit pricy, but don't go with a test pipe, just get a y-pipe cut out for your exhaust. That way you can open the flange (to bypass the exhaust--same effect as test pipe) or close the flange to have a street legal car, for say if you get the emissions tested. You can find a bunch of y-pipe cutouts on ebay.
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93 3000GT base K&N | long tube headers | 3sx crank pulley| testpipe | Addco front/rear sway bars (3SX) | rear strut bar & front 3-point strut bar (by JonVr4 on 3Si) | solid motor mounts | LSD insert | KYB GR-2 struts | intrax springs | adj. control arms | ss brake lines | 16% taller 5th gear (teamrip.com) | H4 conversion | push-button start | datalogger | HKS S-AFR | PLX WB O2 coming soon: adj. cam gears | bi-xenon HID retrofit
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#8
08-09-2004, 09:19 PM
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Re: are race pipes loud?
i have a test pipe and magna flow exhaust on my 97 base and it isnt anytihng that will get you pulled over. i felt more power from the test pipe than cat back exhaust and it was cheaper
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#9
08-10-2004, 10:55 AM
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Re: are race pipes loud?
The cutout will be louder than a testpipe, as it will be essentially like running an open downpipe. If you have a testpipe, it frees up the flow, but the air still travels through the mufflers.
Also if you have an N/A, which you don't, but if you did, the cutout hurts low-end torque and helps in high-end hp. Go with a $30 testpipe and gut your precats. And when you have the money, get a new downpipe. You will really get some nice gains from allowing your turbo more breathability.
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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