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I don't find the need for straying from the natural sound of the vehicle. We already burn the M3's and the M5's are careful not to underestimate us.
I agree with you..the stock exhaust is perfectly find..it looks good.
but the TANABE exhaust looks GREAT!! I can't stop smiling when I
look at it.. and it sounds more aggressive! I always thought
that my IS was too quite since I was used to driving the G..
(and yes i know.i bought the car knowing that it was quiter but at the same
time knew that I could make it louder)
feel any difference? and how inch pipiing you have now? and how the injen i use to have one on my GLI and it was awesome well it was a CAI. i wanted to get a intake on my 250 but i think CAI is better when it comes to torque gain. how does it sound record it XD im dying to how it hears