For guys that have the ATLP race pipe and CT catback.........

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07-09-2009, 09:35 PM

hata_61

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For guys that have the ATLP race pipe and CT catback.........

so i finally got my CT exhaust and put it in today. as i was getting ready to bolt it up against my atlp race pipe, i noticed the openeing on the CT flange is alot smaller than the racepipe. then i remebered it was designed for the oem cat, so the openeing was probably smaller on purpose. so i used a die grinder with a carbide bit and started to open it up to match the racepipe. Anyone else noticed this and have done the same???????

Last edited by hata_61; 07-09-2009 at 09:39 PM.

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07-14-2009, 01:43 PM

djbonsu

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pics?

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07-15-2009, 06:48 PM

hata_61

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sorry i didnt get a chance to take pics as i was doing this at work and my phone died while i was installing the cat-back. i can use the OEM exhaust to demonstrate if you would like.

But its pretty simple, the ATLP race pipe is 2.5" and the OEM cat is 2.25".The CT catback's flange was 2.25" to fit the OEM cat. so i had to grind it open a bit to maximize everybit of flow i could get.

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