Gashead Posted May 14, 2015 Share Posted May 14, 2015 Genuine question. Does fitting a more expensive "upgrade" exhaust pipe really make any difference to the performance or not? Or is it marketing from the bigger companies to make you think they do. The pipes have the same design and unless you split one open you cant see inside if there is any special chambers etc. Take the Hong nor efra, Quote Link to comment Share on other sites More sharing options...
Anthoop Posted May 15, 2015 Share Posted May 15, 2015 The price of a pipe does not of course mean it is better performance wise...one engine may sing with X pipe whilst another engine may run like a dog with it.. The price can often be due to how it is made or the finish or the Efra certification...or just because.. Pipes may have the same design and often similar insides but the dimensions will be slightly different...this is what determines how a pipe works. Here is a Wiki link that will give you the basic gist...if you want something more in depth then ask... http://en.wikipedia.org/wiki/Expansion_chamber 1 Quote Link to comment Share on other sites More sharing options...
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