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The ALTA silicone boost couplers for Mini Cooper S/JCW R53 (02–06) and convertible S/JCW (02–08) are direct-fit intercooler coupling components in black silicone. Formulated for the R53 Mini applications listed, this set replaces factory couplers to restore airtight boost connections and routing, offering a purpose-built silicone option intended for routine maintenance or turbocharger plumbing refreshes.
ALTA 02-06 Mini Cooper S/JCW & 02-08 S/JCW Convertible R53 Silicone Boost Couplers - Black
