03-15-2007, 07:14 AM
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cat cut out
Im proly going to play with my exhuast some more today, Where my y pipe comes down to the cat I want to cut it there and run it down the frame rail and end it before the rear tire, Will it hurt anything that much if I drill a hole in the little unidbody rail to make a hanger?
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03-16-2007, 01:06 AM
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if u have smog emissions where u live removing a cat off a car that came factory with one wont pass inspection. i just cut the cat out and slipped a straight pipe in its place. but the whole drilling the car thing.... i have nooo clue.
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1984 z28 h.o. *SOLD to Dad* 1988 Jaguar XJ6 *DEAD... killed by an idiot that dosent know my brakes light when lit up red means im stopped soooo dont hit me... but he did* 2006 ZX-10R Daily driver..... better then my camaro on gas.
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03-16-2007, 12:45 PM
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A couple of small holes for hanger bracket won't do anything re: strength ...you may want to seal them with Temp-rated silcone (or liquid gasket) just to prevent possibilty of moisture getting into the unibody a starting rust.
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03-16-2007, 09:19 PM
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Are you wanting to put a cut out in place of the cat? and then have a muffler (single) dumped before the rear axel? I have seen it done with no problems .. looks kinda funny from behind due to 1 muffler but does the job
Brandon
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 '98 Z/28 LS-1, Z06 cam,SLP lid and belows, Pacesetter Longtubes,True 2.5" duels into Flowmaster One-Chambers,lowered 1.5",Built 4L80E,3.73's, and suspension work, tuned by All Out Performance
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03-17-2007, 12:08 AM
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If I had pictures it whould be easy Ill try to get some tommaro, ok where the y-pipe comes down to the cat , I want to cut it off there, And angle it towards the pass side frame rail and mount my muffler under there, and end the exhaust be4 the rear tire, I asked at auto zone and a few guys there have camaros and they said when they make thery own exhaust they just use self tapping screws in the frame rail, I have a arc welder- not the best but it works, So I was just going to take some measurements, get the pieces I need and clamps, clamp everything on first then weld it,
im think ill need a piece of flex pipe somewhere incase I bottom out or anything, so it dosent send all the vibration to the engine, idk lol
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03-19-2007, 05:42 AM
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i think it kinda looks funny if i was gonna do anything liek that i would of just bolted a cherrybomb there with a turndown
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 -Kevin 91' Firebird 83' 350 600cfm Holley carb,Mallory Ignition, 3in headers,Th350, 3.23 posi(Krystal) 89' v6 TB bypass,descreened MAF,EGR delete, guted cat,3.42's M5(Candi)-SOLD
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