BMW 540i 740i B58 Downpipe with 200 Cell Hi-Flow Sport Cat and Heat Shield
Unlock serious performance and sound from your BMW B58 with this stainless steel catted downpipe. Designed for pre-OPF B58 models, this BMW B58 downpipe with 200 cell hi-flow sport catalytic converter and integrated heat shield delivers faster turbo spool, sharper throttle response and a deeper, more aggressive exhaust note. Precision TIG welded from T-304 high-grade stainless steel with a brushed finish, it is built for power, durability and reliability.
Why choose this BMW B58 catted downpipe
- Hi-flow 200 cell sports cat for reduced backpressure and improved exhaust flow
- Integrated heat shield to help manage temperatures in the engine bay
- Direct from turbo design for quicker spool and sharper throttle response
- Notable power gains and a richer, sportier exhaust tone
- T-304 stainless steel construction, TIG welded in-house for strength and longevity
- Brushed stainless finish for a premium OEM-plus look
- Euro 5 rated and should pass an MOT emissions test when fitted
Performance
In our in-house testing we have seen increases of around 20 to 25 bhp on an otherwise standard car, and 120 bhp+ on a tuned vehicle. Reduced exhaust backpressure and lower temperatures help the turbocharger work more efficiently, increasing cylinder charge for maximum performance.
Fitment - BMW B58 pre-OPF
Compatible with the following BMW models equipped with the B58 engine and pre-OPF:
- BMW M140i
- BMW M240i
- BMW 340i
- BMW 440i
- BMW 540i
- BMW 740i
Installation and support
Professional installation is recommended, as factory exhaust tolerances can vary and space can be tight. For expert fitting, we suggest booking with Nforcd in Warwickshire. Request a quote: Sales@nforcd.com.
Nforcd tested, customer approved
We have used and tested this B58 downpipe extensively and our customers have been consistently impressed with the quality, fit and the real-world gains in responsiveness, power and sound.
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