big mike Posted January 16, 2017 Report Share Posted January 16, 2017 As I'm a long way from the guys who do this I am looking to have this carried out locally, I have a rattle at back box anyway and see it as 2 birds etc, Would anyone have a step by step or a guide on a how to Link to comment Share on other sites More sharing options...
Jason986S Posted January 16, 2017 Report Share Posted January 16, 2017 Depends if the rattle is internal baffles, or just a joint/bracket/heat-shield. Im sure any decent garage that do custom exhausts or an indie who can weld and pipe bend will be able to sort it £100-£150 Link to comment Share on other sites More sharing options...
Southy Posted January 16, 2017 Report Share Posted January 16, 2017 1 hour ago, big mike said: As I'm a long way from the guys who do this I am looking to have this carried out locally, I have a rattle at back box anyway and see it as 2 birds etc, Would anyone have a step by step or a guide on a how to where in the country are you mate, quite a few garages will do this mod, I know of four off the top of my head, one in Prospeed Exhausts Cardif, Cotswolds Porsche, Dove House Northampton and up North Revolution Link to comment Share on other sites More sharing options...
big mike Posted January 16, 2017 Author Report Share Posted January 16, 2017 I'm in north of Scotland bud Link to comment Share on other sites More sharing options...
chaz771 Posted January 20, 2017 Report Share Posted January 20, 2017 This is what I did after considering many different ways basically you tap about 50% of the gas strait to the exit chamber just need stainless pipe and stainless welding. Link to comment Share on other sites More sharing options...
Elppin Posted January 21, 2017 Report Share Posted January 21, 2017 I really want this mod done too, but same issue down in West Sussex in that I don't know of anyone local to do it. Prices seem to vary wildly too - have seen some people pay £130 whereas others pay £250+ Link to comment Share on other sites More sharing options...
Ampaul Posted January 21, 2017 Report Share Posted January 21, 2017 5 hours ago, Elppin said: I really want this mod done too, but same issue down in West Sussex in that I don't know of anyone local to do it. Prices seem to vary wildly too - have seen some people pay £130 whereas others pay £250+ Addspeed in horsham do it, you'll have to call them for a price though Link to comment Share on other sites More sharing options...
Elppin Posted January 21, 2017 Report Share Posted January 21, 2017 Excellent. Thanks for that. Will give them a call this week. Link to comment Share on other sites More sharing options...
Jamieh909 Posted January 23, 2017 Report Share Posted January 23, 2017 On 16/01/2017 at 11:16 PM, big mike said: I'm in north of Scotland bud A mate of mine just had something similar done on his 4S by Wallace Performance in Aberdeen, I think it cost him around £150. Link to comment Share on other sites More sharing options...
big mike Posted January 23, 2017 Author Report Share Posted January 23, 2017 1 minute ago, Jamieh909 said: A mate of mine just had something similar done on his 4S by Wallace Performance in Aberdeen, I think it cost him around £150. Cheers Jamie, Wallace have now closed, I don't supose he had any pictures of work carried out as I was going yo try Turrif tyres Link to comment Share on other sites More sharing options...
Lonewolfgjp Posted January 23, 2017 Report Share Posted January 23, 2017 This is a picture of my bypass back box off my old 986,it sounded sweet ? Not the best pictures but hope they help ? Link to comment Share on other sites More sharing options...
big mike Posted January 23, 2017 Author Report Share Posted January 23, 2017 44 minutes ago, Lonewolfgjp said: This is a picture of my bypass back box off my old 986,it sounded sweet ? Not the best pictures but hope they help ? That looks straight forward, was it noisey/drone after done, was it expensive, I presume the bumper needs to come off aswell? Link to comment Share on other sites More sharing options...
Lonewolfgjp Posted January 23, 2017 Report Share Posted January 23, 2017 The sound was perfect 0 drone? I bought a used box that had been done and had it swapped over that's why the bumper was off. Some places weld the bypass pipes to the sides of the tailpipes, that way the can do it on the car? Link to comment Share on other sites More sharing options...
big mike Posted January 24, 2017 Author Report Share Posted January 24, 2017 Spot on bud, Appreciate the pics Link to comment Share on other sites More sharing options...
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