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williams-3
03-10-2005, 22:21
whats the best exhaust system on the market in terms of gaining performance also doesn't look rediculas - dont mind noise :D also any pics of em ?

Lunner
03-10-2005, 22:42
Back box makes little or no difference.

Performance manifold, de-cat, straight through centre section, some sort of performance backbox

jay s
03-10-2005, 23:14
im not sure if gains r the same probley abit more on williams but supersprint claim an 11bhp increase with there full system http://www.supersprint.com/a_prodotti.asp?modello=rencli8
theres been loads of topics on the manifold.[/url]