Competition Series Mid Pipes for 3/4 Series B46 (4 Cylinder)
$495.00
Competition Series Mid Pipes for 3/4 Series B46 (4 Cylinder)
$495.00
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
| Material: | 304 Stainless Steel |
| Pipe Diameter: | 3.0 inches |
| Weight Savings: | Approx. 8 lbs (3.7 kg) |
| Compatibility: | 2020–2022 BMW 330i / 430i with B46/B48 engine (G20 / G22) |
| Warranty: | Limited Lifetime |
| SKU: | BM-EXH031S-MID |
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.