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https://forums.nicoclub.com/altered-u169241.html
Sun Feb 02, 2014 5:55 am
JB I ordered the Takeda's for a 370Z, the engine bay is very similar. I previously read Stillen had fitment issues in a thread somewhere, but browsing G37/370Z forums to see what was popular brought the Takeda's to my attention so I tried them.
As an update on the Exhaust: we added test pipes to my car. Invidia Part # HS09N7ZTPP for a 370z.
Installation: Perfect fit, as if it were made for the M, even with my AWD. The install is a little bit of a bear, as the studs that attach the OE cats are TIGHT, we actually snapped two of them. It is a straight forward install though, nothing special required. Other than maybe some heat to coax some of the bolts and studs to come out. Took about two hours taking our time and extracting the broken studs from the OE cats.
Driving Impressions: First off these eliminate the "gurgling" sound from the front of the car when you start the engine cold. That made me instantly like them. After warming the car and noticing the "un-restricted" exhaust smell, we took it out for a drive.
The sound I think many of you will like, it does resemble a G37, yet it has a very strong resonance under load around 3K RPM and higher. That resonance is a love or hate deal, I actually don't mind it so far. The car is louder though, period. At start up I find it too loud (I stood behind it). It idles slightly louder, accelerates a little louder under light load, and under heavy load it is substantially louder than previously.
Now the smell, it is good to those of us that like race cars, but bad overall. Bad for the fact that it is so pronounced. It WILL get into the interior, it is strong while sitting at a light, and you might not want to drive in front of the police.
The check engine light also payed me a visit, I'm sure that needs no explanation as to why. This and the smell are the reasons I don't plan to leave these on too long, was worth trying for the experience though. I know you guys want vids, I'll see what I can muster up.