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Discussion Starter #1
I'm going to buy my HKS hi-power cat back sometime this week, I'm wondering where anyone else bought theres, and if you can think of anything that I should let my garage know before they install it?

Do the instructions say exactly where to cut off the stock exhaust? Because i figure if you cut too far or too short, it would make the tip stick out more or less, right?
 

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yes, the hks hi power bolts straight up to the flange on the flex pipe, therefore u delete a cat. Just search on google for the hks hi power for the 3. GL
 

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i ordered my hks from ricardo at f2cars.com. he's always come through for me when i had my focus.

as for cutting the exhaust, just cut it somewhere in the middle. you're just cutting it to get it out. the hks is made for the 3 and fits like oem.
 

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because there is no o2 sensor on the 2nd cat
 

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Discussion Starter #12
[quote author=the415 link=topic=67239.msg1156412#msg1156412 date=1169155117]
because there is no o2 sensor on the 2nd cat
[/quote]

That was my guess, thanks for all the help! ordering tonight!
 

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Discussion Starter #14
Okay i lied, ONE last question...

ptuning and the hks website say it's for 04-05 models... I have an 06, will this work?
 

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yes
 

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yeah but it's always nice to support a sponsor who makes products for our car.
 
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