Competition Series Mid Pipe for BMW 330i / 430i B46 (G20)

Upgrade your 2020–22 BMW 330i or 430i (B46 engine) with the Evolution Racewerks Competition Series Mid Pipe. This 3-inch mandrel-bent stainless system delivers deeper tone, faster turbo spool, and 8 pounds of weight savings — all in a direct bolt-in design.

Features & Benefits

• Improved Exhaust Flow & Performance: Deletes the factory secondary catalytic converter to reduce backpressure and unlock sharper throttle response and torque.
• Premium Construction: 100% 304 stainless steel, TIG welded with precision CNC flanges and smooth mandrel bends for optimal flow.
• Weight Reduction: Approximately 8 lbs lighter than the factory mid pipe for improved balance and efficiency.
• Direct Bolt-In Installation: Uses OEM hangers and flanges—no cutting, welding, or custom fabrication required.
• Enhanced Sound: Delivers a deep, aggressive exhaust tone that complements both factory and aftermarket rear sections.
• Lifetime Warranty: Backed by Evolution Racewerks’ limited lifetime warranty on materials and workmanship.

Specifications

Compatibility & Emissions Notice

This Competition Mid Pipe fits 2020–22 BMW 330i and 430i models with B46/B48 engines (G20 / G22). Designed to mate with OEM or aftermarket exhausts. Note: Deletes the secondary catalytic converter. For off-road use only where emissions compliance is not required.

Installation

• Difficulty: Easy (1/5)
• Time: ~1 hour
• Includes: Gaskets, hardware, and clamps
• Tip: Use anti-seize on threads; torque to BMW OEM spec

Frequently Asked Questions

Does this mid pipe delete the stock catalytic converter?

Yes, it removes the secondary converter for improved flow. Not CARB certified; off-road use only.

Is cutting or welding required?

No, it’s a direct bolt-in system using the factory flanges and hangers.

Will it trigger a check engine light?

Usually not, but certain vehicles may require a tune or O2 spacer. Check local laws and emissions standards.

Is this compatible with other exhaust brands?

Yes. It fits OEM and most aftermarket rear sections that use standard mid pipe flanges.