BMW 320i 330i 330ix Decat Downpipe B48 by MTC Motorsport
Unlock serious performance and turbo sound from your BMW with the MTC Motorsport B48 decat downpipe. Precision built from SS304 aircraft-grade stainless steel and expertly TIG welded, this 3.5 inch catless downpipe delivers sharper throttle response, faster turbo spool and a more aggressive exhaust note. Expect noticeable power gains of 12 to 15 bhp, reduced exhaust backpressure, lower temperatures and a substantial weight saving versus the factory catalytic converter. Mandrel-bent for maximum gas flow, it is engineered to enhance performance without sacrificing mid-range torque.
At Nforcd we’ve fitted and used this BMW B48 decat downpipe across multiple customer cars and feedback has been excellent. It’s a proven upgrade for drivers wanting the best BMW 320i downpipe, BMW 330i downpipe and BMW 330ix downpipe solution for the B48 2.0 petrol turbo engine platform.
Key features
- SS304 stainless steel construction with TIG welded joints for durability and strength
- Top section formed from a single piece with no welds for optimal flow and reliability
- 3.5 inch pipework straight out of the turbo for rapid spool and sharper throttle response
- Real-world gains of 12 to 15 bhp with a deeper, more aggressive exhaust tone
- Lower exhaust gas temperatures and reduced backpressure to relieve the turbocharger
- Significant weight saving compared to the OEM catalytic converter
- Mandrel-bent design ensures maximum internal diameter and superior gas flow
- Includes a sleeved lower connection for proper fitment on applicable models
- Backed by a lifetime warranty
Compatibility and fitment
This B48 decat downpipe fits the following BMW models with the B48 2.0 petrol turbo engine in 163 bhp, 184 bhp and 252 bhp variants:
- BMW 230i and 230ix F22 and F23, 2016 onwards
- BMW 320i, 330i, 330ix and 330e F30 F31 F34, 2016 onwards
- BMW 430i and 430ix F32 F33 F36, 2016 onwards
- All BMW B48 2.0 litre petrol turbo engines where applicable
Important compatibility note
This downpipe will not fit 2018+ models with a PPF unless the PPF has been coded out and removed. The lower connection on this downpipe is sleeved – please check your car’s connection before ordering, as some 2018 models use a different design. If you are unsure, contact us and we will be happy to help.
Installation and advice
Professional installation is recommended, as OE exhaust tolerances can vary slightly between cars. Feedback indicates this B48 downpipe is straightforward to fit. We recommend adding a Lambda/O2 sensor spacer to help prevent the engine management light in most cases (available separately).
For fitting, choose Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Why choose this B48 downpipe
If you’re searching for BMW B48 downpipe, BMW 320i decat downpipe, BMW 330i decat downpipe, BMW 330ix decat downpipe, F30 downpipe, F31 downpipe, F34 downpipe, F22 230i downpipe, F32 430i downpipe, MTC Motorsport downpipe, stainless steel catless downpipe or 3.5 inch turbo downpipe, this is the high-flow, high-quality upgrade you want for the B48 platform. Superior materials, precision welding and proven performance gains make it one of the best value BMW B48 performance exhaust upgrades available.