Smithy16 Posted January 10, 2019 Share Posted January 10, 2019 Morning all, I’m looking for some advise on what to do regards putting a de cat pipe on my 2006 111r. Currently it has the 2bular 6” back box on it with the TRD filter. How will the De cat effect the car. Will I see a drop or increase in performance ? Will it be to load ? Or should I just leave it as it is now? Thanks Nathan Link to comment Share on other sites More sharing options...
lukevx Posted January 10, 2019 Share Posted January 10, 2019 I ran one for a short period on an Exige S (same engine as yours but Sc’d) with an 8 inch 2bular.It had zero impact on performance, did smell abit and occasional threw an EML despite running 1 and then 2 physical lambda cheaters.It was comically loud though, with the 6 inch it would be mental... Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
kieranexige Posted January 10, 2019 Share Posted January 10, 2019 I'm just about to throw a elise parts silenced decat on my vhpd … They will smell more for obvious reasons but a silenced version hopefully will reduce the noise impact. Link to comment Share on other sites More sharing options...
Broadside Posted January 17, 2019 Share Posted January 17, 2019 On 10/01/2019 at 12:52, lukevx said: I ran one for a short period on an Exige S (same engine as yours but Sc’d) with an 8 inch 2bular. It had zero impact on performance, did smell abit and occasional threw an EML despite running 1 and then 2 physical lambda cheaters. It was comically loud though, with the 6 inch it would be mental... Sent from my iPhone using Tapatalk Hey, your video is just down the road from me 🙂 next time your down give me a shout (when its warmer) and I'll come down in the Elise! Link to comment Share on other sites More sharing options...
jonnyfox Posted January 24, 2019 Share Posted January 24, 2019 A little bit more responsive and a little bit louder really, that's it in a nutshell on the 2zz NA. I ran an ITG Maxogen, 2bular 421 and 6" back box with decat on my S2 NA. Drive by at Donington was 95db. You'll only have a noise issue if you pop a teeny tiny exhaust on. Link to comment Share on other sites More sharing options...
chris_h Posted January 24, 2019 Share Posted January 24, 2019 When I changed my standard cat for a sports cat on my old s2 exige, most of the insides were missing from the original cat. So if yours is the same it’ll probably not make much difference! Link to comment Share on other sites More sharing options...
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