Fits all 4.0L M176, M177 and M178 Engines. Achieve that "blow off sound" people are fond of on turbocharged vehicles!
2022 Mercedes Benz SL55 AMG 4Matic Convertible 232.480 V8 4.0L Performance Engine & Drivetrain Parts
Includes Lambda cable & 8-foot sensor cable.
High performance grease for multiple applications
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-04-2026
Sold in a black powdercoated finish.
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Adds the distinctive turbo blow off sound by venting boost pressure to the atmosphere on M177, M178, and M276 powered AMG models.
Upgraded blow off valves for M177 and M178 AMG engines, providing reliable boost sealing, improved throttle response, and turbocharger protection at high boost levels.
Achieve that iconic turbo blow off sound with precision machined adapters designed for seamless vent to atmosphere performance.
Price includes a $97.99 refundable core charge. Includes O-Ring - High Pressure Pump on Engine