why does it seem like everyone is trying to get a 5th gen muffler now a days?

 

They are all trying to copy me

 

seriously is it just looks or do they sound better or what?

 

Uses the same technology as the Nissan Skylines to achieve quiet sound and good performance. You also benefit from a long lasting OEM Nissan part.

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I've had it for about 6 months now. I wanted something to complete my exhaust while keep the noise down and retaining low-end power. I did notice a significant gain when I installed it, but then I put the B-pipe on at the same time. I'm trying to get a hold of a G-tech dyno so I can test and compare the differences of the 4th and 5th gen mufflers. Then, maybe I'll step up and go to a real dyno so I can see it on a graph. I know this technology isn't bunk. BMW is using this idea now on a lot of their cars post E36.

 

I think you are better off looking for a dyno. Comparing a 4th gen muffler and a 5th, the hp and torque differences must be not much more then 5 or so. And I doubt the G-tech is that accurate. For differences that small, you are better off going to a dyno.