Quote Originally Posted by Tonkin2000GT View Post
I'd definitely get rid of the power log and get a set of headers big difference. I had front and rear plog and 3" downpipe I noticed a difference with headers plus the stock crossover is so small. Leave the catback your not going to gain anything just my opinion.

I noted i was in california.. Im hoping the plog wont get me trouble even... I get that you guys are saying the 3 inch catback system wont benefit my in performance im now wanting to now how big of a difference the xr1 mufflers will make compared to my pfyc borla mufflers on terms of sound.