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Downpipes for Audi RSQ8 / SQ8 / SQ7 4.0 V8 - BRONDEX®. Upgrade your Audi’s sound and performance with BRONDEX® Downpipes for Audi RSQ8, SQ8, and SQ7 4.0 twin-turbocharged V8 engines.Engineered for precision, power, and durability, these downpipes significantly improve exhaust flow, reduce backpressure, and deliver a deeper, sportier exhaust tone. Choose between: Catless Downpipes - Maximum power and sound, ideal for track or performance builds Catted Downpipes (200-Cell High-Flow Sports Catalytic Converters) - Enhanced flow with emissions compliance Perfect for drivers who demand performance, style, and sound, BRONDEX® downpipes are the ideal upgrade for your Audi RSQ8, SQ8, or SQ7. Key Features: Improved Exhaust Sound – Deep, aggressive tone with refined resonance; Increased Power and Turbo Response – Reduced exhaust restriction for maximum efficiency; Premium 304 Stainless Steel Construction – Corrosion-resistant and built to last; Pipe Diameter: 3.5" → 3" (89 mm → 76 mm); Double-Sided TIG Welding on flanges and load-bearing joints for superior strength; Standard Oxygen Sensor Ports; EGT (Exhaust Gas Temperature) Sensor Ports; 100% OEM Fitment - Direct replacement for factory Catalysts; Compatible with models with or without OPF/GPF; Made in Europe with precision engineering; 3-Year Warranty; Always in Stock & Ready for Worldwide Shipping; Compatible Vehicles: Audi SQ7 4.0 Twin-Turbocharged V8 (2019+) Audi SQ8 4.0 Twin-Turbocharged V8 (2020+)

Downpipes for Mercedes-Benz E63 S AMG (W213 / S213 / C238 / A238). Upgrade your Mercedes-Benz E63 S AMG with BRONDEX® performance downpipes, engineered for W213 Sedan, S213 Wagon, C238 Coupe, and A238 Convertible models equipped with the 4.0 V8 engine. If you’re looking to increase horsepower, improve exhaust flow, and unleash a more aggressive, brutal exhaust sound, BRONDEX® Mercedes E63 S AMG downpipes are an essential performance upgrade. Available Options: Catless Downpipes - Maximum power gains, faster turbo spool, and the loudest exhaust note. Catted Downpipes (200-cell High-Flow Sports Catalytic Converters) - Improved performance and sound with better emissions control and daily usability. Key Benefits: Increased power and torque; Enhanced turbo response and throttle feel; Deeper, louder, and sportier exhaust sound; 100% OEM fit, easy to replace factory parts (for models with or without OPF/ GPF), can be installed without lower brackets; Complete high-quality stainless steel (304); Diameter 3,5 to 3 inch (89 mm to 76 mm); Double-sided welding of flanges and most loaded joints; Oxygen sensor ports by standard scheme; Made in Europe; 3 years warranty; Worldwide shipping; Compatible Vehicles: Mercedes E63 / E63S 4Matic W213 / S213 / C238 / A238 Pre-Facelift and Facelift models (M177 4.0 twin-turbo engine) 2016-2023; Should I choose catted or catless downpipes? Read our complete Mercedes E63 W213 Downpipes Comparison Guide.