Hi i own 2009 g37 AWD sedan !!

weeks ago i done muffler delete but it was way to loud for me.. and have drone in 3k rpm range.. for me haha

so i put my old muffler back on and try to find way to have good sound but no drone..

I just purchase AFE takeda stage 2 short ram intakes !!

I m looking for have more deeper sound and not really droney

is resonated test pipes or hfc gonna help me do this??

muffler delete sound good but it was too loud for daily haha.. also cold start was loud too..