90-91 EXHAUST GUYS: need a n00b question answered

ogxandrew

I <3 my honDA!
I'm picking up a Thermal exhaust from a kid this weekend. Was on a DA going to a DA.. he ran it with an ITR header on his '93, what header can I use to bolt up to the system on my '90? i googled and didn't get much help, mostly bickering between parties that i didn't want to read though.. :thumbs up
 

ogxandrew

I <3 my honDA!
ITR is 2.5" outlet at 2-1 right? or i am misinformed? if so, wouldn't i be able to get away with an ebay header and "cat" or test pipe for a minute..?
 

mirrorimg

Well-Known Member
Is he giving you a cat-back? If so, it doesnt matter what header you buy, the exhaust bolts up to the back of the cat not directly to the header.
 


ogxandrew

I <3 my honDA!
He said catback with a resonator.. So idk exactly how long the system is, I'm trying to plan for worst case scenario.
 

MrDB1integra

honda greaser
If its a catback it will work with your stock header and cat.
 


99Integrags

New Member
Worst case scenario I would go to a muffler shop and either add or subtract some pipe if you end up needing to modify the exhaust.
 

BrokenTalon27

W.F.O
ogxandrew said:
I'm picking up a Thermal exhaust from a kid this weekend. Was on a DA going to a DA.. he ran it with an ITR header on his '93, what header can I use to bolt up to the system on my '90? i googled and didn't get much help, mostly bickering between parties that i didn't want to read though.. :thumbs up
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Which diameter Thermal cat back are you getting? If it's the 3" I wouldn't get it unless you're gonna go boost.
 

Jay Jay

Administrator
Staff member
BrokenTalon27 said:
Which diameter Thermal cat back are you getting? If it's the 3" I wouldn't get it unless you're gonna go boost.
Click to expand...
Agreed. That I know of Thermal only makes a 3" exhaust for a DA. That will require modification of your cat to bolt up. I wouldn't get that if you aren't planning on going turbo.
 
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