Originally Posted By SimonH
Originally Posted By Alistair
If hi-flow cats are involved then it would be a good chunk of the price as they don't come cheap


There won't be any sports catalysts, as the catalysts are integral to the manifolds on the BMW engine

Simon @ Sifab.co.uk


Simon,

Are the 4.8s the same? There is a massive cat can partly under the wing on each side of Tarka, just down stream from the manifold.

Peter

Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...