
Originally Posted by
G-rig
I thought the Milltek headers actually didn't work and reduced power, or is there a new design out now (i recall someone saying it about the original ones)?
I've just had some of Guy's headers installed last week. It makes a difference mostly frees up the throttle, but still expensive gains.
Not much you can do though beside forced induction if you want more. ABT sportline are meant to be selling some Supercharger kits in Australia soon. A supercharger setup would still benefit from good headers and exhaust system anyway.
I can post a before and after dyno if anyone is interested, they made approx 4-8kW at the wheels, but my retune seems like it could be better - not a smooth curve and power seems a bit down:
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