BMW X3 M40i Downpipe with 200 Cell Hi-Flow Sports Cat and Heat Shield for OPF/PPF Models
Upgrade your BMW X3 M40i exhaust with this premium stainless steel downpipe featuring a 200 cell hi-flow sports catalyst and integrated heat shield. Purpose-built for OPF/PPF-equipped cars, this BMW X3 M40i downpipe delivers faster turbo spool, sharper throttle response and a deeper, more aggressive exhaust note while reducing backpressure for reliable performance gains.
We have installed and tested this X3 M40i 200 cell sports cat downpipe and consistently seen gains of around 15 to 20 bhp, along with noticeably crisper response. Customers love the quality, fit and sound. If you are searching for a BMW X3 M40i OPF downpipe, BMW G01 X3 M40i sports cat, high flow catalytic converter for X3 M40i or a heat shielded stainless turbo downpipe, this is the performance exhaust upgrade you want.
Key features
- Constructed from SS304 high-grade stainless steel - durable, corrosion resistant and built to last
- TIG welded in-house for strength, precision and a perfect fit
- Large 4.5 inch outlet straight from the turbo for faster spool and sharper throttle response
- 200 cell hi-flow sports catalyst - excellent flow with emissions control
- Integrated heat shield with a brushed stainless finish for a clean OEM-plus look
- Reduced exhaust backpressure and lower temperatures for consistent performance
- Deeper, more aggressive exhaust tone that enhances driving engagement
- Tested by us with gains of around 15 to 20 bhp
Fitment
- BMW G01 X3 M40i 3.0L OPF model
- For OPF/PPF cars only
Why choose this BMW X3 M40i downpipe
This hi-flow sports cat downpipe for the X3 M40i is engineered to free up exhaust flow right from the turbo, improving response and performance without compromising daily use. The combination of SS304 stainless construction, TIG welded joins and a proper heat shield makes it a high-quality, long-lasting upgrade. If you are comparing BMW X3 M40i downpipes, OPF downpipes, high flow sports cat downpipes or turbo downpipes for G01 X3 M40i, this unit stands out for quality, fit and results.
Emissions and MOT
These should pass an MOT emissions test when fitted. They are road legal and Euro 5 rated.
Professional fitting
We recommend professional installation. For fitting at our Warwickshire workshop, contact Nforcd for a quote: Sales@nforcd.com.
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