smit2100 Posted 22November, 2016 Report Share Posted 22November, 2016 I picked up a set of 997.1 exhaust manifolds for my 996TT and looking to do a bit of porting internally on the factory welds in an attempt to increase the flow of the exhaust gasses from the Mezger to see if that can deliver a bit of more right foot throttle response and do something abount lag / getting the turbo's spooling earlier in the rpm rangeCan anyone recommend an outfit in Melbourne that can do some surface and heat protection work on the exterior of the exhaust manifolds that can handle the higher heat temps from running turbo's and at the same time minimise the patina and keep the new factory look in tack so to the untrained eye reflect they haven't been messed with and have just been cleaned up (eg no black or grey heat / ceramic coatings) Link to comment Share on other sites More sharing options...
dan_189 Posted 6January, 2017 Report Share Posted 6January, 2017 Is it worth buying some specific performance headers rather than modding those ones? Just a thought as there are plenty of performance tuners making good quality sports headers. Link to comment Share on other sites More sharing options...
Macca Posted 13February, 2017 Report Share Posted 13February, 2017 These guys coated bits and pieces of my old merc (s/c snout, y pipe and intercooler) a couple of years again, everything was done well, I came across them when searching through various forums, it was a fair price also. Hope it helps.https://www.google.com.au/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwj7g7StmY7SAhVLXrwKHdxtDRQQFggbMAA&url=https%3A%2F%2Fwww.whitepages.com.au%2Fcompetition-coatings-10697030%2Fcoburg-north-vic-10697027B&usg=AFQjCNGqGsWCr2Gt89oN5QTSshhB7od7iQ&sig2=xtOThg3-0CU7QkclbduhnQCrap , sorry - didn't realise it was a November post. How did you go with your headers? Link to comment Share on other sites More sharing options...
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