{"product_id":"mercedes-benz-w166-gl63-gle63-gls63-valvetronic-exhaust-system-1","title":"Mercedes Benz W166 GL63\/GLE63\/GLS63 Valvetronic Exhaust System","description":"\u003ch1\u003eOAO Valvetronic Cat-Back Exhaust System for Mercedes-Benz W166 GL63 \/ GLE63 \/ GLS63 AMG 5.5L M157 V8 Biturbo\u003c\/h1\u003e\n\u003ch2\u003eUnleash the Power of the AMG M157 V8\u003c\/h2\u003e\n\u003cp\u003eDesigned for the Mercedes-AMG W166 GL63, GLE63, and GLS63 equipped with the legendary 5.5L M157 twin-turbocharged V8 engine, the OAO Valvetronic Cat-Back Exhaust System is engineered to deliver a deeper, louder, and more aggressive AMG soundtrack while maintaining the refined driving experience expected from a premium performance SUV.\u003c\/p\u003e\n\u003cp\u003eCombining high-flow exhaust engineering with electronically controlled valves, the OAO system gives you complete control over the vehicle's exhaust character.\u003c\/p\u003e\n\u003cp\u003eKeep the valves closed for a refined and controlled sound during everyday driving, or open them to unleash the full character of the M157 V8.\u003c\/p\u003e\n\u003cp\u003eManufactured from premium T304 stainless steel with precision TIG welding, mandrel-bent tubing, and high-flow muffler technology, the OAO system delivers excellent durability, heat resistance, and performance-focused craftsmanship.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e✓ Designed for Mercedes-AMG W166 GL63 \/ GLE63 \/ GLS63\u003c\/p\u003e\n\u003cp\u003e✓ 5.5L M157 Twin-Turbocharged V8 Engine\u003c\/p\u003e\n\u003cp\u003e✓ Valvetronic Cat-Back Exhaust System\u003c\/p\u003e\n\u003cp\u003e✓ Electronic Exhaust Valve Control\u003c\/p\u003e\n\u003cp\u003e✓ Premium T304 Stainless Steel Construction\u003c\/p\u003e\n\u003cp\u003e✓ High-Flow Performance Muffler Design\u003c\/p\u003e\n\u003cp\u003e✓ Precision TIG Welded\u003c\/p\u003e\n\u003cp\u003e✓ Mandrel-Bent Exhaust Tubing\u003c\/p\u003e\n\u003cp\u003e✓ Optimized Exhaust Gas Flow\u003c\/p\u003e\n\u003cp\u003e✓ Reduced Exhaust Restriction\u003c\/p\u003e\n\u003cp\u003e✓ Enhanced AMG V8 Exhaust Sound\u003c\/p\u003e\n\u003cp\u003e✓ Performance-Oriented Direct-Fit Design\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntelligent Valvetronic Exhaust Control\u003c\/h2\u003e\n\u003cp\u003eThe OAO electronic valve system allows you to change the exhaust character according to your driving conditions.\u003c\/p\u003e\n\u003ch3\u003eComfort Mode\u003c\/h3\u003e\n\u003cp\u003eWith the valves closed, the system provides a deeper but controlled exhaust tone for comfortable everyday use.\u003c\/p\u003e\n\u003cp\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDaily Commuting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHighway Cruising\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong-Distance Touring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidential Areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced Exhaust Volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComfortable SUV Driving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnjoy the performance character of the AMG V8 while maintaining a refined cabin environment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSport Mode\u003c\/h3\u003e\n\u003cp\u003eOpen the valves and unleash the aggressive character of the M157 twin-turbo V8.\u003c\/p\u003e\n\u003cp\u003eExperience:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased Exhaust Volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDeeper V8 Exhaust Tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStronger Turbocharger Acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSharper Acceleration Sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore Aggressive Downshift Acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhanced High-RPM V8 Character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore Emotional AMG Driving Experience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe valve-controlled design allows you to transform the character of your AMG SUV whenever you want.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance-Oriented Cat-Back Design\u003c\/h2\u003e\n\u003cp\u003eThe OAO Cat-Back Exhaust System replaces the rear exhaust section with a high-flow performance configuration designed to improve exhaust efficiency and enhance the overall driving experience.\u003c\/p\u003e\n\u003cp\u003ePotential benefits may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eImproved Exhaust Gas Flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced Exhaust Backpressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSharper Throttle Response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhanced Turbocharger Sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved High-RPM Exhaust Flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced Exhaust System Weight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStronger V8 Exhaust Acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBetter Compatibility with Performance Downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved Overall Exhaust Efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eActual performance gains may vary depending on vehicle configuration and supporting modifications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineered for the M157 5.5L V8 Biturbo\u003c\/h2\u003e\n\u003cp\u003eThe M157 is renowned for its massive torque delivery, strong turbocharged performance, and unmistakable AMG V8 character.\u003c\/p\u003e\n\u003cp\u003eThe OAO Valvetronic Exhaust is engineered around the high exhaust flow and high-temperature characteristics of this powerful V8 platform.\u003c\/p\u003e\n\u003cp\u003eKey design considerations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Flow Exhaust Routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth Exhaust Gas Transitions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized Tubing Diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced Internal Turbulence\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Temperature Resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance-Tuned Muffler Design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision Electronic Valve Integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system is designed to complement both stock and modified M157 applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEnhanced AMG V8 Sound\u003c\/h2\u003e\n\u003cp\u003eThe M157 twin-turbo V8 delivers a powerful and muscular exhaust character.\u003c\/p\u003e\n\u003cp\u003eThe OAO Valvetronic system enhances that personality with a carefully tuned performance soundtrack:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDeeper Cold Start\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRicher V8 Exhaust Tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStronger Turbocharger Acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSharper Throttle Blips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore Aggressive Acceleration Sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhanced Downshift Acoustics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStronger High-RPM V8 Character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMore Pronounced AMG Performance Sound\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the valves open, the system produces a commanding V8 soundtrack that matches the aggressive personality of the GL63, GLE63, and GLS63.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePremium T304 Stainless Steel Construction\u003c\/h2\u003e\n\u003cp\u003eManufactured from high-quality T304 stainless steel to withstand high exhaust temperatures and demanding performance conditions.\u003c\/p\u003e\n\u003cp\u003eAdvantages include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent Corrosion Resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuperior Heat Resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh Structural Strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightweight Performance Construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision TIG Welding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC-Machined Connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong Service Life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePremium Surface Finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEvery OAO exhaust system undergoes quality inspection before shipment to ensure accurate dimensions, consistent welding quality, and precise fitment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance SUV Styling\u003c\/h2\u003e\n\u003cp\u003eThe OAO exhaust system is designed to complement the aggressive appearance of the AMG SUV platform.\u003c\/p\u003e\n\u003cp\u003eOptional exhaust tip finishes may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCarbon Fiber Exhaust Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTitanium Burnt Exhaust Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolished Stainless Steel Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMatte \/ Dark Performance Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe upgraded exhaust tips provide a more distinctive and performance-oriented rear appearance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eCompatible with applicable Mercedes-AMG models equipped with the M157 5.5L twin-turbo V8:\u003c\/p\u003e\n\u003ch3\u003eMercedes-AMG GL63\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eW166 GL63 AMG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.5L M157 V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMercedes-AMG GLE63\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eW166 GLE63 AMG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.5L M157 V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMercedes-AMG GLE63 S\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eW166 GLE63 S AMG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.5L M157 V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMercedes-AMG GLS63\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eX166 GLS63 AMG\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5.5L M157 V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Years\u003c\/h3\u003e\n\u003cp\u003eFitment may vary depending on model year, body style, drivetrain, market specification, and factory exhaust configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease verify your exact vehicle model, production year, engine configuration, and factory exhaust layout before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOAO Valvetronic Cat-Back Exhaust System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectronic Valve Control Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWireless Remote Controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust Installation Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClamps \/ Connection Components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtective Packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eDesigned as a direct-fit cat-back exhaust upgrade utilizing factory mounting locations and exhaust connection points.\u003c\/p\u003e\n\u003cp\u003eNo permanent cutting or welding is required for standard installation.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended to ensure proper alignment, sealing, and valve operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Performance Upgrades\u003c\/h2\u003e\n\u003cp\u003eThe OAO M157 Valvetronic Cat-Back Exhaust System can be combined with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOAO M157 Performance Downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Flow Downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance Air Intake\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eECU Performance Calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTurbocharger Upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntercooler Upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarbon Fiber Exhaust Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTitanium Exhaust Tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA properly matched performance setup can further enhance exhaust flow, turbocharger response, and overall AMG sound character.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cp\u003eThis product is designed for performance, off-road, or motorsport applications where permitted by local regulations.\u003c\/p\u003e\n\u003cp\u003ePlease verify local emissions and noise regulations before purchasing or installing this product.\u003c\/p\u003e\n\u003cp\u003eSound and performance characteristics may vary depending on downpipes, catalysts, ECU tuning, valve settings, and other vehicle modifications.\u003c\/p\u003e\n\u003cp\u003eVehicle compatibility may vary by model year, body style, drivetrain, and regional specification. Please confirm fitment before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose OAO Performance\u003c\/h2\u003e\n\u003cp\u003eOAO Performance specializes in premium exhaust systems and performance components for Mercedes-AMG, BMW M, Audi RS, Porsche, Ferrari, Lamborghini, Jaguar, Land Rover, Aston Martin, Nissan GT-R, Chevrolet Corvette, and other high-performance vehicles.\u003c\/p\u003e\n\u003cp\u003eEvery OAO exhaust system combines advanced engineering, premium materials, precision TIG welding, electronic valve technology, and rigorous quality control to deliver exceptional fitment, durability, and sound.\u003c\/p\u003e\n\u003cp\u003eUpgrade your Mercedes-AMG GL63, GLE63, or GLS63 with the OAO Valvetronic Cat-Back Exhaust System and experience the full character of the M157 5.5L V8 Biturbo — from refined everyday cruising to an aggressive, commanding AMG performance soundtrack.\u003c\/p\u003e","brand":"OAO-EXHAUST","offers":[{"title":"W166 GLE63 5.5 \/ Sandblasting","offer_id":47391315820713,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"W166 GLE63 5.5 \/ Polishing","offer_id":47391315853481,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"W166 GLS63 5.5 \/ Sandblasting","offer_id":47391315886249,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"W166 GLS63 5.5 \/ Polishing","offer_id":47391315919017,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"W166 GL63 5.5 \/ Sandblasting","offer_id":47391315951785,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"W166 GL63 5.5 \/ Polishing","offer_id":47391315984553,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6488\/8233\/files\/7f52013710a5aac9d842b388024dff80.jpg?v=1787810396","url":"https:\/\/oao-exhaust.com\/fr\/products\/mercedes-benz-w166-gl63-gle63-gls63-valvetronic-exhaust-system-1","provider":"oao-exhaust-System","version":"1.0","type":"link"}