I went to lmperformance.com and saw SLP products for mustangs... I was like WTF? SLP made the Performance parts for the SS Camaro and WS6 Birds.
I have a Loudmouth for my Vette and I LOVE it.
Anyways, SLP is about as nice as it gets for Exhaust in my opinion and its LOUD.
This system lives up to its name very well. MAC, borla, etc do not even come close. And its all stainless, not aluminized crap.
If you don't want loud, this is NOT the system for you.
I ordered the Long tube headers, Xpipe, and Catback.
Cheers!