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Exhaust System Help

1656 Views 28 Replies 13 Participants Last post by  Papa_D
I had a NISMO dual system installed yesterday along with NISMO headers. The power is great but I hate how loud it is. I'm scaring old people at stop lights and one lady flipped me off. An aggressive rumble is nice but this is rediculous. Does anybody know about these systems and what could be done about the noise? I hate to start modifying already but I have to do something.:dunno:
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powdercoat said:
I had a NISMO dual system installed yesterday along with NISMO headers. The power is great but I hate how loud it is. I'm scaring old people at stop lights and one lady flipped me off. An aggressive rumble is nice but this is rediculous. Does anybody know about these systems and what could be done about the noise? I hate to start modifying already but I have to do something.:dunno:
If you don't have any cats on there you could get some high flows and install them in your B pipes. Otherwise you could look into having some resonators installed somewhere in the system. I think a Dr Gas X pipe might take some of the bite out of it by smoothing out and raising the note a little. There are also resonator tips from Zoomers which have worked for some people so you could look into that. Just stick with high quality parts that are well thought out if you modify the system and you should be fine.
kitch0703 said:
I hear ya powdercoat. I was the same as you. Like the rumble, but couldn't be too loud as I would take clients out in my truck. I put a Zoomers Cat Back system on my 04 LE C.C. and this was perfect. Gave a nice exhaust note and there was absolutely no dreaded drone which was important for me as I am constantly on the mobile phone at freeway speeds.
Zoomers x2, lol. You could also try their resonator tips and it may take some of the edge off.
powdercoat said:
Here is the inside cab noise...enjoy

http://www.youtube.com/v/CiQEWcsCn68
Wow, I had no idea, sorry it's so loud and I may be keeping the Zoomers for sure because I just could not deal with that outside the racetrack.
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