johnL Posted February 16, 2019 Share Posted February 16, 2019 Hi allThinking of fitting a de-cat pipe to my 140 Sigma Supersport, looking for a bit of extra snap, crackle and pop for the summer.Has anyone fitted one and what difference does it make to noise levels, I’m also running a pea shooter silencer and will it make any difference to the engine running? Roll on the summer!John. Link to comment Share on other sites More sharing options...
JwBye20 Posted February 16, 2019 Share Posted February 16, 2019 Hi John, I have one installed on my 125 sigma, for me it is only a fraction louder but a much more crisper roar over having a cat. A fairly cheap and worthwhile upgrade if you can get a second hand one Jack Link to comment Share on other sites More sharing options...
LouisFeakes Posted February 16, 2019 Share Posted February 16, 2019 I have one fitted John. Haven't noticed any great difference in overall noise but it does pop/bang a little more. Biggest benefit for me is looks and weight saving. Link to comment Share on other sites More sharing options...
johnL Posted February 20, 2019 Author Share Posted February 20, 2019 Thanks JwBye20 and LouisFeakes.I will track one down for fitment for the summer! Link to comment Share on other sites More sharing options...
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