Rasp (very common I know)

Chemy

When I got my HFC's, I got non resonated ones. I'm wondering if resonated HFCs would be much better at rasp or drone? I think it would some but not much or enough.

How would I add resonators? Muffler shop or something? I really don't want to cut the exhaust at all.

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2012 Nismo, PW #512. FI CBE SS w/12" Res, Stillen g3's, UpRev, Kenwood 9990HD, Focal speakers and tweeters, Wicked Cas corner box with JL 10" w6, 35% ceramic tint, full clear bra.

NickTurnon

You can order resonators online or just go to a decent shop to get them welded on your existing exhaust. It would make it more of a custom build but the resonators are only about 1 foot or 1 & 1/2.

But thats if you really want to get rid of the drone. If you decide that it still is bothering you, you might want to consider just some GTM Mat or something to insulate the inside of the car better. It works wonders...

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2009 Brilliant Silver BASE 7AT | TEIN S-Tech Springs | K&N Drop Ins & z1 Maf Tubes | AAM S-Line Short Tails | 5% Tint | 20MM Spacers | Sport Spoiler NickTurnon's 370z Build