Rvng XL Flow Series 3.5” G9X/S68 M5 Catless downpipes

RVNG XL FLOW SERIES G9X Catless downpipes 

Unlock the full potential of your BMW S68-powered M5 with the RVNG XL Flow Series 3.5” Catless Downpipes, engineered from the ground up for maximum flow, power, and sound on the G90 and G99 M5 platform.

Unlike undersized or restrictive alternatives, RVNG’s XL Flow 3.5” design is purpose-built to eliminate bottlenecks in the exhaust path, dramatically reducing backpressure and allowing the turbos to breathe freely. The result is faster spool, sharper throttle response, and noticeable horsepower and torque gains—especially under high load and aggressive driving.

This complete system includes both primary and secondary catless downpipes, constructed from high-quality materials and featuring an integrated flex section to reduce vibration, thermal stress, and drivetrain movement. Every detail is focused on durability, performance, and real-world results.

What truly sets the RVNG XL Flow Series apart is value. Our 3.5” setup outflows everything else on the market while coming in at a price point that undercuts competitors—without sacrificing build quality or performance. No gimmicks. Just raw flow and proven results.

Designed for enthusiasts who demand maximum power, an aggressive exhaust note, and track-ready performance, the RVNG XL Flow Series is the ultimate upgrade for your S68 M5.

FOR OFF-ROAD USE ONLY

Key Features:

• Designed specifically for BMW G90/G99 M5 (S68 engine)
• XL Flow Series 3.5” diameter for maximum exhaust flow
• Includes primary and secondary catless downpipes
• Faster turbo spool and improved throttle response
• Significant horsepower and torque gains
• Aggressive, race-inspired exhaust tone
• Integrated flex sections to reduce vibration and stress
• Outflows and outprices all competing options on the market
• Built to Kill. Proven to perform.