neilg Posted January 3, 2005 Share Posted January 3, 2005 Little bit of help needed again please people. Am i right in thinking that the only sizes that you can easily get are 2.5 and 3" pipes? What are the differences? pros/cons. Can you get them any bigger? if so same again what differences would it make? Im looking for noise and power from my decat, both pipes, i already have the 2nd one out which i believe is 3" but i would change this if its worth it. Running up to a HKS Ti which i think has 4" pipework Last but not least the main question- where, how much Sorry for going but help is appriciated as per usual Quote Link to comment Share on other sites More sharing options...
Dragonball Posted January 3, 2005 Share Posted January 3, 2005 Large as possible m8 - but you will need restrictor ring I would just get the front one - or a double decat and then sell the one you have I have then available and ready to ship if so desired m8 http://miami-gt.com/product_info.php?cPath=100_7&products_id=330&osCsid=dbf1c2ee804d19b0e11e6ec41158a9a3 Quote Link to comment Share on other sites More sharing options...
neilg Posted January 3, 2005 Author Share Posted January 3, 2005 But what differences do they make? Could i put a 4" on or is it not worth it? Quote Link to comment Share on other sites More sharing options...
Jake Posted January 3, 2005 Share Posted January 3, 2005 But what differences do they make? None. The restriction due to the size of the stock exhaust turbine housing would mean that whatever size exhaust pipe you have downstream of the turbos would make zero difference to performance. Quote Link to comment Share on other sites More sharing options...
neilg Posted January 3, 2005 Author Share Posted January 3, 2005 Would it make any differances to volume at all? Quote Link to comment Share on other sites More sharing options...
Alex Posted January 3, 2005 Share Posted January 3, 2005 2.5" is enough for 500hp. If you need more via a single kit you'll get bigger pipework with the turbo kit. Quote Link to comment Share on other sites More sharing options...
neilg Posted January 3, 2005 Author Share Posted January 3, 2005 Right then i think ill just get a 3" 1st cat to match my other Cheers everyone Quote Link to comment Share on other sites More sharing options...
neilg Posted January 3, 2005 Author Share Posted January 3, 2005 Oh and by volume i was talking about noise not actual volume :upside: Quote Link to comment Share on other sites More sharing options...
Matt Harwood Posted January 3, 2005 Share Posted January 3, 2005 Just my 2p worth... I'd get two pipes as opposed to one single pipe. It makes life far easier if you need to refit the 2nd cat for future MOT's Quote Link to comment Share on other sites More sharing options...
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