As far as a JDM exhaust...i'd go with the Amuse R1000. I personally owned this before. It's 70mm pretty much free flow and it weights like 8lbs header back. Made decent power with tuning but VERY pricey. I had this before i sold it for the Berk's 3" exhaust. Plus it looks bad ass and LOUD on the track.

 

J's Racing 70RR. Single onc piece, header-back exhaust. Very deep not raspy all the way thorough out the rpm range. I get TONS of compliments. It's not TOO loud in my opinion, but the inside cabin does great suppressing the sound. From the outside though, it sounds really deep and while in VTEC there's no comparison to others.

Plus, you also have the rarity factor behind it.

 

x2 on J's exhaust. I have a 70RS dual and I absolutely LOVE it. The only problem with these are that they are built to order. Expect to wait 2-6 months. ( I bought mine from gotuning)

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Anybody noticed an actual loss of power with the hks single? Also is there any noticable rasp with a test pipe? I have the invidia n1 single with test pipe and its just a little too much rasp for me.

 

i had hks single with test and my s2k gained power

 

I have an Amuse R1 Titan Full titanium single I just removed from my S2K. It was deep and aggressive no matter what RPM you were at...oh and yes it screamed from 6-8k...

 

I agree with getting an hks single exhaust with test pipe.... sounds great nd gives u some power increase

 

Berk 3" exhaust has the best deep tone when cruising, whenever I'm driving on post, the speed limit is 30mph, I keep it in 3rd gear with the rev at about 2500, she has the sexiest purr ever!

 

berk headerback.....

 

go with fujitsubo rm-01a