Audi Audi RS4 2000-2001 Exhaust Specifications

• Dual exhaust system with two separate pipes from the turbochargers
• Stainless steel construction for durability and corrosion resistance
• Exhaust diameter: 70 mm (2.75 in) for each pipe
• Includes two catalytic converters and two mufflers
• Designed for optimal backpressure reduction and performance

• Twin turbochargers with integrated exhaust manifolds
• Two high-flow catalytic converters for emissions compliance
• Dual mufflers with sport-tuned acoustics
• Exhaust tips: 90 mm (3.54 in) diameter, polished stainless steel
• Heat shields for thermal management

Note: The catalytic converters are designed to meet Euro 3 emissions standards.

• Maximum exhaust gas flow rate: 450 CFM (cubic feet per minute)
• Backpressure at full load: 0.8 bar (11.6 psi)
• Turbocharger exhaust gas temperature: up to 950°C (1742°F)
• Optimized for minimal restriction and maximum power output
• Pressure drop across catalytic converters: 0.15 bar (2.18 psi)

• Sound level at idle: 65 dB
• Sound level at full throttle: 95 dB
• Sport-tuned exhaust note with minimal drone
• Resonator design for balanced acoustics
• Complies with EU noise regulations

Note: The exhaust system is tuned to enhance the engine's sporty character while maintaining compliance with noise regulations.

• Inspect exhaust system every 15,000 km (9,320 miles)
• Check for leaks, cracks, and corrosion during routine service
• Replace catalytic converters every 160,000 km (99,420 miles)
• Tighten exhaust clamps and brackets as needed
• Clean exhaust tips to maintain appearance

• Corrosion at weld joints in high-humidity environments
• Cracked exhaust manifolds due to thermal stress
• Catalytic converter failure from contaminated fuel
• Loose or damaged heat shields causing rattling
• Exhaust leaks at gasket connections

Note: Regular inspection and maintenance can prevent most common exhaust system issues.