I've had a Nismo muffler w/pipes and Nismo CAI stored in my garage for about 3 weeks now. My friend wrecked his Z, pulled these items along with others prior to turning over his car to the insurance or whomever took a hold of it so that he might be able to sell them, which he has sold several items. In the meantime, he asked if I could hold these items for him in my garage since he lives in an apartment complex with no storage area available.

Anyways, here is my dilemma. I am tempted to install the Nismo muffler on my G coupe, but after doing some research, I keep reading about "extensions" required for proper fitment and/or OEM look. I just have not been able to identify where these extensions are supposed to be placed. So therefore, how much of an added cost factor would be required to add the Nismo muffler to my G coupe. I don't want to go to the muffler shop to have it installed and uninstalled and reinstalled and so on and so on... and eventually escalate the labor cost involved due to fitting issues. Any help on this guys?

As for the Nismo CAI, here is a quick FYI for y'all. Since the bottom tubing attached to the cone air filter was damaged during the collision, I installed the intake tube (which is in perfect condition) that attaches to the throttle body to serve as a replacement to the OEM air-flow restricted stock G tube. Well it definitely made the engine bay look a whole lot nicer thanks to it's glossy black finish and rubber attachments (I'll post pics up later), but more impressive was how it made the engine really throw up a mean azz growl as soon as you hit the 3k rpm's and up.

I did end up taking it off (and never put it back on ) since some kid was going to come by and buy the whole intake system from my friend, but ended up not since he thought that the bottom tube was the one that was intact, which in turn was the single part of the whole intake that he was really interested in along with the cone filter.

 

http://www.mynismo.com/products/?id=4404

 

You can't just bolt the Nismo muffler section on your G, the attach flange to the midpipe is in a different location. You need the 8" adapter piece that goes between the y-pipe and midpipe (see link in previous post), then install the Nismo midpipe and Nismo muffler section.

 

If you are only going to install the muffler and not the entire catback system, then it will bolt on with out the adapter piece twin mentioned above. You can leave it like this if you like, but the tips will not stick out past the bumper like the stock ones do. This will make it sound a lot louder inside the car and may leave some carbon residue on the bumper from the exhaust. The link below is of a G without the tips extended. There is no bolt that will fix this issue so you have to weld on longer pipes between the muffler and the tips.

 

NO IT WILL NOT!!!! I have the Nismo y-back exhaust, the attach flange is in a completely different location from the stock exhaust. THE MUFFLER SECTION WILL NOT BOLT UP TO THE OEM MIDPIPE!!!!! Also, I've been driving with it daily for about 5 months now, no extended tips, and NO carbon residue. It's not loud whatsoever.

EDIT: I see you have the Nismo exhaust, who did your install? I installed mine myself, there is no way you can you can install this on a G without the 8" extension piece. Anything shorter than 8" and the first bend on the midpipe will hit one of the crossmembers on the car.