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Cutout and cat-removal


behvah78
04-14-2004, 12:42 PM
Tell me what you think of this: An electronically controlled cut-out before the cat. Pipe attached to the straight branch and cat attached to the other branch and attached back together with a both end open cut-out. How many hp gains when on the straight pipe?

Ripn12s
04-14-2004, 05:38 PM
why do all that work, just weld in the cutout and be done w/ it

behvah78
04-14-2004, 05:49 PM
Well the cutout is too loud to use on-road but this way i will have the cat off all the time except for inspection time.

Ripn12s
04-14-2004, 06:11 PM
With all the extra piping you'll be adding the extra weight will negate the extra ponies you'll get.

Weld in the cutout before the cat, put a qtec or mccord power plate on it. You can open and close it whenever you want.

kilroypr
04-18-2004, 01:04 PM
I have seen people that put a small resonator at the cutout and that dissipates noise a little. I agree with Ripn12s to much hassle to just have a cutout. The electronic shut off is sweet tought. I would install the cut out with the electronic shut off and open and close it at will. That is sweet

GTPCatz
04-18-2004, 06:59 PM
I have heard and seen that there is no room before the cat to add a cutout....how do you plan on finding room for this?

behvah78
04-18-2004, 07:05 PM
No one has told me yet how much hps I'll get considering that I have already removed the ubent and resonator and I have good flowing mufflers. With the cutout I might also put a resonator to make it quite. Anyone thinks I'll get hps worth the effort?

"I have heard and seen that there is no room before the cat to add a cutout....how do you plan on finding room for this?"

Even if that is true you can always cut from the after and move the cat forward a few inch.

Ripn12s
04-18-2004, 07:46 PM
I went from 14.00s to 13.8's w/ all mods being equal except a cutout. So it helps.

Adding a cutout before the cat is possible. What you need to do is have a shop cut a whole in the pipe and then weld in the 3 bolt flange thing that the cap attaches to.

jeffs_GTP_sleeper
04-18-2004, 08:40 PM
I have heard and seen that there is no room before the cat to add a cutout....how do you plan on finding room for this?

I thought the 97-03s had room but I do know it would be very difficult on the 04s because the cat is moved way forward.

http://images.cardomain.com/member_images/7/web/391000-391999/391610_72_full.jpg
04 Downpipe

kilroypr
04-19-2004, 12:47 AM
The only way to do it on 04 is to move the cat after the little bend and on it's place do the cutout

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