danZman Posted August 21, 2009 Share Posted August 21, 2009 Hello, Looking at the 2 main types of exhaust you can get (twin backbox or single) just like the Japspeed K1 and K2. I cant decide. I like the idea of the K2 because I have had alignment problems in the past with my S2000 and twin back boxes, where the exhausts didnt sit level with each other and it just looked stupid. But the twin backbox looks alot less restrictive and looks like it would be more free-flowing. Am I correct on this or am I talking ? Quote Link to comment Share on other sites More sharing options...
M13KYF Posted August 21, 2009 Share Posted August 21, 2009 the K1 is far louder Quote Link to comment Share on other sites More sharing options...
MrLizard Posted August 21, 2009 Share Posted August 21, 2009 i had some alignment issues with the k1 i had but not enough to put me off having it, however as mike said, it is loud! Quote Link to comment Share on other sites More sharing options...
rtbiscuit Posted August 21, 2009 Share Posted August 21, 2009 look at the invidia then i have it and its true dual through to the tips, but they go into a rear back box, the pipe work is in side so the gases never mix but it still keeps an oem look to it. Quote Link to comment Share on other sites More sharing options...
MITZ@CougarStore Posted August 21, 2009 Share Posted August 21, 2009 A K1 I supplied and fitted last Sunday on a members Zed went on perfectly, alignment was spot on… Quote Link to comment Share on other sites More sharing options...
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