Does anyone here have a HKS downpipe installed? I would like to see what kind of gasket you used with the stock catback. Do you use the stock donut gasket?

 

I hade hks dp, before I got my bpm turbo back. I used the stock gaskets. It worked grate. no problem at all. I also got a free flow center pipe made. Is sounded cool. but the bends on the center pipe were wrong and it banged on the rear sway bar.

 

i have it. when i used to have just hks dp + stock catback, i forgot which gasket i used, but it sure as hell did leak. lol

everything fixed after i got new gaskets when i picked up the helix catback

 

cool, thanks guys for the responses.

 

i had that set up i used the stock doughnut and i didnt have any leaks