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Help! Tomei Expreme Ti Excessively Loud!


judiciousjoe

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Hi everyone,

My Nismo cat back gave up on me recently and sounded very sorry for itself so I needed a new system. After a lot of looking around I opted for the Tomei titanium single exit. The craftsmanship is pornography and it weighs a feather. However, my god is it LOUD! I bought the full system including the y-pipe seeing as mine was broken. Is there any way I could quieten it down a bit? I currently have DC headers/manifolds, Berk de cat pipes and the y-pipe back Expreme Ti system, the car is also HKS supercharged. It is not a pleasant drive on the motorway, it drones to the state where you need to pop pills for a headache. If there is no possible solution then I was thinking of buying the true dual HKS cat back (and selling the Tomei on to someone who has OEM/sports cats and standard manifolds for less volume).

 

Any help would be much appreciated.

 

Cheers

Joe

Edited by judiciousjoe
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14 minutes ago, Kev said:

Think I was just looking at your nismo exhaust on eBay. 

 

Adding cats should help quiten it down a bit. 

Indeed, I wanted someone to fix her up and enjoy the Nismo again as I don't have the money to pay in labour. I have eaten through two sets of HFC's, the supercharger tore them to shreds.

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Can't seen how you can quiten it down with that set up. I can imagine it sounds epic if a bit much. 

 

No doubt someone will take a punt on your nismo. I've always wanted one myself. 

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:lol:

 

i made the same mistake! I had the ti decats also though. 

 

Ive put OEM cats back in now and while it is quieter it's still ridiculously loud

Edited by Ian
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I don't think any aftermarket exhaust is going to really help you with that setup you are running. The only reason the Nismo was quieter I imagine is because it retains a lot of the OEM'ness with its large backbox.

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