Simon B Posted July 14, 2008 Share Posted July 14, 2008 Has anyone upgraded their Defender V8 exhaust using parts from the Discovery? A chap at JE mentioned that the disco cast manifold was a better more efficient design...I'm after all the mpg I can muster! Quote Link to comment Share on other sites More sharing options...
paul stage1v8 Posted July 16, 2008 Share Posted July 16, 2008 disco is much better than a stock 110, early EFI RR were also better, 2 pipes instead of 1, but would possibly cost some torque, or at least change the RPM range. Quote Link to comment Share on other sites More sharing options...
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