I ran dual QTP 2.5" on the Marauder. I never had an issue.
The Install was as follows: Stainless Works Long Tubes, Cutouts, The Stock Front Cats (Removed the Rears), Stock H-Pipe, Stock Mufflers, Stock Tips. The car was rather quite for the most part, and had a nice tone. But, once opened, LOUD AS HELL! The car picked up about 25+ RWHP and TQ with them if I recall
:thumbup:
KillJoy