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3" Exhausts that have good O2 sensor clearance

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Old Mar 13, 2007, 01:39 PM
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3" Exhausts that have good O2 sensor clearance

Sorry Moderators, I've searched through many exhaust threads and cant get a specific answer to the following questions:

What off-the-shelf cat back exhaust systems meet the following criteria?

- 3" Throughout - including resonators and mufflers
- Good 02 sensor clearance (with straight mechanical 02 sensor fix)
- 500-700 dollars street price new

Last edited by AutoKA24DE; Mar 13, 2007 at 01:43 PM.
Old Mar 13, 2007, 01:46 PM
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-just about every exhaust from wat ive seen is gonna be 3" throughout
-every exhaust has 02 clearance, never heard of that problem, and your o2 is in your cat second off
-if you want a good price then search for it, all exhaust come with a price tag
Old Mar 13, 2007, 01:49 PM
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Originally Posted by bvdawg13
-just about every exhaust from wat ive seen is gonna be 3" throughout
-every exhaust has 02 clearance, never heard of that problem, and your o2 is in your cat second off
-if you want a good price then search for it, all exhaust come with a price tag
my secondary 02 bung is NOT on the cat. its on the Bpipe after the cat.

Apex resonators are only 2" in diameter inside, along with the Espelir's.

some other exhausts have a section of 2.5 or 2.75 just after the cat.
Old Mar 13, 2007, 01:54 PM
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The Megan catback meets the criteria. Except, of course, being cheaper than $500.
Old Mar 13, 2007, 01:58 PM
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apex exhaust and espelir neck down to 2.5 where it meats the cat and the resonators are tiny on the inside. probably 2" or smaller on the inside. also the expelir points the 02 sensor up so you cant running a mechinical 02 sensor fix.

burchur meets your criteria but is over priced and is very loud due to the small mufflers they use.

i would just buld your own. its cheeped and you will get what u want
Old Mar 13, 2007, 01:59 PM
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My RnR turboback fits your bill but I wouldn't reccomend ordering one from them. Their customer service is well documented...




Old Mar 13, 2007, 02:31 PM
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Hmmmm thanks guys.
Old Mar 13, 2007, 06:07 PM
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any more ?
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