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Hey guys, I recently installed stainless power headers to my mbrp Street catback exhaust the product of which sounds amazing and very race car like. Another product of this combo is lots of rasp. Under 3k it sounds very good (low tone, very "lumpy" sounding ) over 3k you get loads more volume...

My Stainless Power headers are suppose to be here tomorrow and I have my update tune request in Livernois. My queation is, for those of you all that paid for the install, how many hours did it take? What was the price of your install? I understand that shops prices vary by the hour, but I'm...

From a tune only? This must be the most generous dyno ever. I highly doubt, Lund, livernois, and bama are missing something. Color me skeptical. 414 rwhp and 457 rwtq. Anyone using brothers performance or have used in the past?

I would like some feed back from guys/gals using Livernois' tune and intake. I have had both installed on my GT PP for the last 1000 miles (in which it ran flawlessly) and today while traveling on the highway my car had the "wrench" light go on. Immediately the throttle response got all wonky...

I am hoping someone can shed some light on this sensation I recently got in my car. I have a GT PP 6M. The other night I was driving home from work and about halfway through my highway commute I made a shift from 6th to 4th (double clutch, not just jamming it in gear) to make a pass. The...

Is there a way to completely disable 911 assist? Every time I get in my car my phone syncs up and it reminds me it is set to off. Is there a way to stop this so I don't have to push NO every time?

I see that Bassani is making both an x-pipe and a X-Muffler. Is there anyone out there running the X-Muffler? I know demon coyote is running the 3" x-pipe model and it sounds wicked. But I'm trying to wrap my head (really more my ears) around the difference in the two. If anyone is using the...