Audi S4 / S5 / A6 / Q7 / SQ5 3.0 TFSI & VW Golf MK5 GTI BYD Engine Walnut Blaster Carbon Cleaning Adapter (Billet Aluminum) DBA Direct bolt-on fit - No

Direct bolt-on fit - No modifications to mounting or electrical connectors required

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They're designed to clear spacers without forcing you into adaptors or shorter nuts that won't seat properly

Restores clarity and proper reflection angle on damaged or deteriorated OEM glass

Audi S4 / S5 / A6 / Q7 / SQ5 3.0 TFSI & VW Golf MK5 GTI BYD Engine Walnut Blaster Carbon Cleaning Adapter (Billet Aluminum) DBA Direct bolt-on fit - NoRestore engine performance lost to carbon buildup with this premium billet aluminum walnut blaster carbon cleaning adapter, precision crafted from 6061 aluminum alloy for permanent durability and reliable cleaning operation. Direct injection engines (including all 3. 0 TFSI Audi engines and select VW MK5 GTI variants) are notorious for accumulating heavy carbon deposits on the intake valves and ports because direct injection sprays fuel directly into