VRSF N55 4 inch Decat Ceramic Downpipe for BMW F Series M135i M235i M2 335i 435i
Unlock power, response and sound with the VRSF N55 4 inch decat ceramic downpipe. This BMW N55 downpipe upgrade is one of the best bang-for-buck performance mods for F Series models including M135i, M235i, M2, 335i and 435i. Available as a catless race downpipe or with a 200 cell high flow sports cat, plus the option of a Cerakote high temperature ceramic coating, the VRSF downpipe reduces back pressure, improves turbo spool and delivers a more aggressive exhaust note.
We have used this VRSF N55 downpipe ourselves and our customers love the results. The combination of mandrel bent SS304 stainless steel, TIG welded construction and CNC machined flanges ensures excellent fitment, durability and flow. Back-to-back testing consistently shows gains of 20 to 25 bhp with a suitable tune, alongside sharper response and that sought-after N55 turbo sound.
Why choose the VRSF N55 4 inch downpipe
- Catless and catted options: choose a race decat or a 200 cell high flow cat
- Ceramic coated option: Cerakote high temperature coating rated up to 1800°F to help keep heat in the exhaust and out of the engine bay
- 304 grade stainless steel: hand crafted, TIG welded for strength and longevity
- Mandrel bends: smooth radius design reduces turbulence and maximises flow
- CNC SS304 flanges: precision machined for reliable sealing and OEM-like fit
- Real performance: faster spool, increased power and a more aggressive exhaust note
- Proven gains: 20 to 25 bhp with tune
- VRSF Lifetime Warranty on the downpipe and a No Hassle fitment guarantee
Fitment guide and sizing
This VRSF N55 downpipe is available in both 3.5 inch and 4 inch versions to suit different BMW F Series N55 models and production dates:
- All M135i and 335i produced up to 07/2013 require the 3.5 inch version
- M135i and 335i produced after 07/2013 require the 4 inch version
- All M235i and 435i require the 4 inch version
Confirmed vehicle compatibility
- 2012 to 2018 F30 BMW 335i and 335xi N55
- 2013 to 2018 F32 and F33 BMW 435i and 435xi N55
- 2012 to 2018 F20 and F21 BMW M135i and M135xi N55
- 2013 to 2018 F22 BMW M235i and M235xi N55
- 2015 to 2019 F87 BMW M2 N55
Not sure which size you need. Email us the last 7 of your VIN and we will confirm compatibility and the correct 3.5 inch or 4 inch version for your car.
Ceramic coating benefits
We offer ceramic coating using Cerakote high temperature ceramic to help manage under-bonnet temperatures. This thermal barrier coating keeps heat inside the exhaust, which can help reduce overall intake air temperatures and stabilise engine and transmission oil temps.
Warranty
- VRSF Lifetime Warranty on the downpipe
- 1 year warranty on ceramic coating and on catted versions
Installation and support
Prefer professional fitting. Nforcd in Warwickshire offers installation. Request a quote at Sales@nforcd.com and our team will be happy to help.
Shipping and availability
These are extremely popular. While we aim to keep them in stock and ready to ship, there may be a short delay of a couple of days during busy periods. Any questions, please email Sales@nforcd.com.
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