Terence Posted October 10, 2022 Share Posted October 10, 2022 Could any one help. I’m running a 350z supercharged 418whip . I fitted a berk High flow cat which is now blocked whip is now 355whip could anyone recommend High flow cats for force induction. Cheers Terry Quote Link to comment Share on other sites More sharing options...
Coz@TORQEN Posted October 10, 2022 Share Posted October 10, 2022 Hi Terry, No high flow cats for forced induction, they all get burnt out, you will need to run test pipes/decats. We have the TORQEN Helmz or just the standard ones in stock, links below. Helmz: https://www.torqen.uk/nissan/350z/exhausts/test-pipes/20128-350z-de-torqen-helmz-resonated-test-pipes-trq-vqde-helmz.html Standard decats: https://www.torqen.uk/nissan/350z/exhausts/test-pipes/18247-350z-de-z33-torqen-decats-test-pipes-trq-vqde-tp.html Quote Link to comment Share on other sites More sharing options...
Terence Posted October 10, 2022 Author Share Posted October 10, 2022 Thanks for the input once fitted will I have to put standard cats for mot? Quote Link to comment Share on other sites More sharing options...
Coz@TORQEN Posted October 10, 2022 Share Posted October 10, 2022 Yeah, unfortunately so, unless you have a “friendly” MOT tester. Quote Link to comment Share on other sites More sharing options...
350_Jer Posted October 10, 2022 Share Posted October 10, 2022 Do the Helmz pipes lower the db at all Coz, or are they more about altering the tone of the exhaust note? Quote Link to comment Share on other sites More sharing options...
Coz@TORQEN Posted October 10, 2022 Share Posted October 10, 2022 1 hour ago, 350_Jer said: Do the Helmz pipes lower the db at all Coz, or are they more about altering the tone of the exhaust note? They’re designed just to reduce any raspiness and drone, make it sound a bit more V8-like. Can’t comment on the actual DB readings between both as we haven’t tested that extensively. 1 Quote Link to comment Share on other sites More sharing options...
valy Posted October 11, 2022 Share Posted October 11, 2022 16 hours ago, Coz@TORQEN said: Yeah, unfortunately so, unless you have a “friendly” MOT tester. Haha I think there aren't 'friendly' MOT testers left these days with all the requirements of running an MOT test nowdays 1 Quote Link to comment Share on other sites More sharing options...
Willsy1980 Posted October 11, 2022 Share Posted October 11, 2022 3 hours ago, valy said: Haha I think there aren't 'friendly' MOT testers left these days with all the requirements of running an MOT test nowdays Been told mine will have the same emissions as a 1.0l Corsa by all accounts 🤣 Quote Link to comment Share on other sites More sharing options...
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