CA 3" Downpipe w/ or w/o CAT?
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Joined: 09-17-05
Posts: 5,844
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From: Pittsburgh, PA
Originally Posted by Blown 4-banger
Thats exactly what I'm doing!!! Just want a cat delete for now until I get enough moola for the clear image auto header and a 3" downpipe. So hp tuners can stop the cel, like I said I'm getting tuned pretty soon here. I also want to get rid of the cat to save it, because I'm getting 60 lbs. injectors so I'll be running a little rich until I increase boost, and I don't want to **** up the cat. Plus it open the option to run 112+ octane leaded race fuels 
with no cat to clog, no worries.
with no cat to clog, no worries.
Senior Member
Joined: 04-03-06
Posts: 7,570
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From: Mesa, AZ
I live in AZ, half the cities here have no required emissions testing! Also a local redline owner is gonna tune me, so I'm sure he won't hesitate to disable the code
I also can't wait to shoot flames at night
I also can't wait to shoot flames at night
I don't plan on doing a full 3" exhaust. I am going to use the 3" downpipe and then a 2.5" catback in the future possibly. In my opinion, I don't see the need in a full 3" exhaust until you are well into the 300hp area. As long as you get rid of the stock restrictive bends you should be alright with a full 2.5"
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Joined: 07-10-05
Posts: 3,482
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From: Douglasville, Georgia
but think about that though. r u going to buy another exhaust when u get 300hp? Thats why i went with 60lb injectors instead of 42lb. Because eventually u will just have to back track. so just go all out if u plan on doing so in the future
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Joined: 04-03-05
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From: Pittsburgh, PA
no i plan on keeping my exhaust til whenever. what i dont understand is whenever people talk about making big horsepower they always talk about getting a 3" exhaust, if you pushing more air out then why dont you get a bigger intake to suck more air in, nobody does that. the first thing everyone thinks about is getting a bigger exhaust, it just doesnt make any sense.
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Joined: 04-03-06
Posts: 7,570
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From: Mesa, AZ
Originally Posted by SLOWBALT06
how many ******* cobalts are in arizona why are there so many is this like gm's headquarters or what
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