Heat Shield Catless Downpipe B9 S4/S5

Heat Shield Catless Downpipe for Audi B9 S4 / S5

Optimize your Audi B9 S4 or S5’s performance and protect vital components with the PowerHaus Performance Heat Shield Catless Downpipe. Designed specifically for the B9 generation S4 and S5 (2018-2020), this downpipe features an integrated heat shield to effectively manage engine bay temperatures while delivering superior exhaust flow.

Features:

• Precision Fit for B9 S4/S5: Engineered to fit perfectly on all stock B9 S4 and S5 models, ensuring an easy bolt-on installation.

• Integrated Heat Shield: Built-in heat shielding protects surrounding components from excessive heat, reducing the risk of heat soak and prolonging the life of nearby wiring and hoses.

• Catless Design for Maximum Flow: Eliminates the factory catalytic converter restriction to improve exhaust scavenging and increase turbocharger efficiency.

• Durable Stainless Steel Construction: Crafted from high-quality 304 stainless steel for superior corrosion resistance and long-term durability.

• Improved Performance: Increases horsepower by 10-15 HP on average when paired with an ECU tune, along with faster turbo spool and enhanced throttle response.

• Enhanced Exhaust Sound: Produces a deeper, more aggressive exhaust note without excessive drone.