Hi all, Anyone know of good aftermarket diffusers for the 4.0's? Lots of support out there for the center-exit tips but what about split exit variant? Looking for options. Thanks!

I'm considering buying a 718 GT4 in the Delaware area. I'm from out of town and would like to have the car looked at by a mechanic before buying. Its got some aftermarket parts (rollbar, wing) installed so I'm assuming its been tracked. That's fine by me but I would like to have someone more...

Anyone have a good experience with a shop in the SF Bay Area for an aftermarket exhaust install? Even if not specifically for exhaust, I'd like to know of a good aftermarket shop people are happy with around here (South Bay, Peninsula, East Bay pref). Thanks!