What to do for my exhaust

[cmahlig]

I need opinions on the apex catless and catted midpipe. how much hp will i see from each one, and is it hard to install yourself.

thanks

[low_psi]

please search, or atleast read the threads on the first page of this section.

[BOOSTR]

I have their catless dp. Its an easy install. Just 3 bolts up front and two in the back. Spray the bolts with WD-40 or similar product before attempting to take them off. Of course you will have to reinstall your 02 sensor. I forget what they claim the gain to be.