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Discussion Starter #1
Hi guys im going to be ordering a turbo back exhaust for my car in the next few days.


First question 2.5" or 3"? (I'm going for a cobra no res, sports cat)
I will be going stage 3 as i have my FMIC on already and Fuel Reg and Pump ready to go on.


Which tail pipe do i choose?


3" outward rolled? or 5x3 oval like standard but a bit bigger so i've been told. I have an SRi turbo btw

5x3 Oval








3" outward rolled








Not the best pictures, just the only ones i could find through the forums


So what do you guys think i should go for?
 

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3 inch to get the most power gains but I've seen people running high power on the 2.5 so you should be fine with either, the 3 inch will drone loads though in the car especially as your getting non res.

As for tips I'd go for 5x3 inch oval.


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Discussion Starter #8
Atkins got an exhaust system for the Sri turbo for sale, check his breaking thread.
Dont want a dual exit

3 inch to get the most power gains but I've seen people running high power on the 2.5 so you should be fine with either, the 3 inch will drone loads though in the car especially as your getting non res.

As for tips I'd go for 5x3 inch oval.


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Think ill go for a 3" at least id never have to upgrade it again

I have the 5x3 oval cobra fill the gap in the bumper nicely
Got any pictures mate?

Buy mine! :)
I would but i want a 3" i think :)
 

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Iv heard 3" causes problems with lots of power. Not sure how much power but Iv heard it can be trouble.
Who you getting it mapped with?
 
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