I have a 3" turbo w/ 02 eleiminator back that should be here next week from RnR Racing. I whent with 3 because the 2.5" would hurt spool time with a my T3/T04E 57 trim reworked by
www.turbo-concepts.com . I'll let you know how loud it is once I install it. Also I'm looking for around 450 AWHP.