Modifying exhaust system on BMW E46 328i (M52TUB28) - effects and costs
Posted: Tue Oct 01, 2024 11:41 am
Modifying exhaust system on BMW E46 328i (M52TUB28) - effects and costs
Potential modifications:
Potential modifications:
- Catback exhaust system
- Headers
- High-flow catalytic converters
- Power gain: 8-18 hp (depending on modifications)
- Improved exhaust note
- Slight weight reduction
- Magnaflow catback system:
- Cost: £600-£750
- Power gain: ~8-10 hp - Supersprint headers:
- Cost: £650-£850
- Power gain: ~10-15 hp - Eisenmann race exhaust:
- Cost: £1300-£1500
- Power gain: ~12-18 hp
- Professional installation recommended (£150-£250)
- May require ECU remapping for optimal performance (£200-£300)
- Ensure compliance with local noise and emissions regulations