Unlock serious performance with our BMW X3 M40i OPF decat downpipe. This 4.5 inch stainless steel catless downpipe is engineered specifically for OPF and PPF cars, delivering sharper throttle response, faster turbo spool and a more aggressive exhaust note. If you are searching for a BMW X3 M40i downpipe, decat downpipe, OPF delete downpipe, catless downpipe or G01 X3 M40i exhaust upgrade, this is the proven, high quality solution.
Key features and benefits
- Precision machined from SS304 aircraft-grade stainless steel and TIG welded in house for strength, durability and a premium finish.
- True 4.5 inch pipe straight out of the turbo for maximum flow, faster spool and a crisper throttle response.
- Noticeable power gains with our testing showing around 20 to 25 bhp improvement when correctly set up.
- Deeper, louder and more aggressive exhaust tone that sounds truly amazing without compromising drivability.
- Lower temperatures and reduced exhaust back pressure, relieving stress on the turbocharger and increasing cylinder charge.
- Substantial weight saving versus the factory catalytic converter for improved performance.
- Mandrel-bent for smooth gas flow and maximum internal diameter to ensure ultimate performance without losing mid-range torque.
- Excellent customer feedback on fitment and sound, with many reporting an easy install.
Fitment
This OPF/PPF decat downpipe fits:
- BMW G01 X3 M40i 3.0L OPF model
Installation and tuning notes
- Professional installation is recommended as exhaust tolerances can vary.
- You must swap the gasket at the turbo end of the downpipe. Not doing so can cause a fuel smell in the cabin.
- We recommend adding a lambda sensor spacer to help prevent the engine light in most cases.
- When fitting this downpipe the OPF will need to be coded out and the car tuned.
Why choose this BMW X3 M40i decat downpipe
If you are looking for a BMW X3 M40i OPF decat, BMW X3 M40i catless downpipe, G01 X3 M40i downpipe upgrade or an OPF delete downpipe, this 4.5 inch SS304 system offers the flow, sound and proven gains enthusiasts want. We have tested this product and our customers have been very happy with the performance, sound quality and value.
Fitting service
Want it supplied and fitted by experts? Choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.