2.5", it just needed to get cleaned up really. Just cheap. Certainly gets the job done. I plan on pushing around 350 on it.

I did buy ExtremePSI couplers and tossed the couplers that came with the kit. They could've been worse, but not something I felt like dealing with.

You shouldve tossed those couplers my way. lol

Still got 'em, just not using 'em. They're blue lol

yea, but i can prob buy some good piping later down the road. I'm probably going to go with that kit, but im gonna powder coat everything black =) its gonna look so sick.

I thought about making at least the core black.

yea, it would look stealth. thats what im doing with my talon, when i do brembos im gonna get them powder coated black too...