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  • John cooper works Stage 1 upgrade

Madness + JCW Stage 1 Upgrade

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Product Description

John Cooper Works did a good job of providing a factory approved performance upgrade, unfortunately they didn't go far enough. Based on how many requests we have received on upgrading beyond the JCW package we have developed 2 upgrade paths for current JCW owners seeking more power.

The Madness Stage 1 JCW upgrade consists of the following products:

Madness Cold Air Intake. Feed that supercharger the air it deserves!

Madness Cowl Mod. More than double your cold air feed to the supercharger. Works in conjunction with the Madness MINI Cooper Cold Air Intake or Our High flow JCW airbox filter

Schrick Cooper S Cam, why John Cooper Works left this out is anyones guess. The Cam is an integral part of any cylinder head modification allowing you to take full advantage of the high performance head you already have.

Estimated 20-25HP gain
John cooper works Stage 1 upgrade

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