I honestly didn't notice a difference at all. Hard to hear anything over headers test pipes and non res fi exhaust...
__________________
2010 370Z Touring MT | Stillen | Motordyne | Momentum| Z1 | Fast Intentions | Advant Garde | RE11 | Swift | SPC | Quaife | Whiteline | Evo R | 322RWHP 259ft-lb Mustang
|