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This item has mandrel bends, is 100% stainless steel, incorporates longer primaries, and features a 4 into 1 collector that has a much nicer design than the mass produced factory manifold. The header ends in 2 1/2" but still mates up to the factory system.
Gains of 7-9 horsepower with mid range improvements have been seen on the dyno. Very nice install. Very high quality fit and finish. Installation takes about an hour and a half.
This system uses a 200 cell platinum catalytic converter that withstands the heat of the supercharged MINI - not all aftermarket cats do.
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