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We have a 96db limit where we autocross and with my Corsa Extreme Cat-Back system I blew a 98db. I'm not interested in changing it and I've looked at some silencers that advertise 5-8db reduction. Just wanted know if anyone has used these silencers or they have any other ideas on how to attack...

Attended a Time Trial event at the Talladega Gran Prix Raceway(1.4 mile) Saturday October 1. First time on a road course and the experience was fantastic. I have a 16 GTPP with a Cora Extreme Cat-Back system, PMAS and a Palm Beach Dyno tune. Put the stock PP wheels and tires back on it and...

Any recommendations on tire PSI? Ran my first autocross this past Sunday and ran the tires at 36 fronts and 33 rears. This is a 1.4 mile track and it's flat. BTW, I'm hooked already and this is from an avid drag racer for the past 30yrs. I can only imagine how the track day will set the hook...

Just picked up my 16 GT Premium yesterday. I have the 400A trim package with the voice activated Navigation unit, not the Shaker system. The sound is underwhelming, it's just not what I expected. Any upgrade that can be done without replacing everything? Amp, speakers?