Wasso Posted June 22, 2011 Share Posted June 22, 2011 Hmmm I doubt it 20bhp over 15bhp from Japspeed http://cgi.ebay.co.uk/NISSAN-350z-DECAT-PIPES-JAPSPEED_W0QQitemZ190547909599QQcategoryZ38786QQvarZQQcmdZViewItem Quote Link to comment Share on other sites More sharing options...
Sam Mcgoo Posted June 22, 2011 Share Posted June 22, 2011 Maybe if your FI .....AND get it tuned after. Both me and Steddy changed Kinetix HFC for these and gained circa 20 hp after a re-tune. Might get a few horses if your n/a after a tune. £15 a bargain though. Quote Link to comment Share on other sites More sharing options...
Wasso Posted June 22, 2011 Author Share Posted June 22, 2011 A few being the ultimate word. I gained 18hhp with CAI, plenum spacer, motordyne xyz pipe, decats and uprev. 18hhp doesn't create hardly any difference really. Next year will be a little different Quote Link to comment Share on other sites More sharing options...
Beau Posted June 22, 2011 Share Posted June 22, 2011 Are these legal, as in will they pass the MOT ect and I guess you wont be needing the lamda sensors? Quote Link to comment Share on other sites More sharing options...
Sam Mcgoo Posted June 22, 2011 Share Posted June 22, 2011 Are these legal, as in will they pass the MOT ect and I guess you wont be needing the lamda sensors? They will not pass a 'propper' MOT. But you can swap your cats back in MOT time if you can be bothered. Quote Link to comment Share on other sites More sharing options...
Wasso Posted June 22, 2011 Author Share Posted June 22, 2011 Or run a XYZ pipe which has a single race cat within. I thought it wouldn't pass the MOT but did as if there were two cats? Quote Link to comment Share on other sites More sharing options...
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