Quote:
Originally Posted by rfbokle
Are you saying the flange is 2.5" on the HKS and will mate up to the stock cat? So i just need stock gaskets for it?
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You're overthinking it...
the distance between the two studs on the catalytic converter is the same for the two holes on OE and aftermarket exhausts.
The gasket above is the stock gasket between the catalytic converter and the exhaust. The exhaust comes with gaskets but either way, you don't need to worry about this.
again: if you have a stock, stock replacement, aftermarket catalytic converter, or any test pipe that replaces the cat 1:1 with the same bolt holes, the exhaust will fit. that's all. even 3" aftermarket exhausts will still mate up to the same two studs found on the stock setup, so the flange will only be so big.
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