Fabspeed BMW N55 Sport Cat Downpipe 200 Cell HJS Catalyst for M2, M235i, 335i, 435i
Transform your BMW N55 turbo engine with the Fabspeed Sport Cat Downpipe. This high-flow, 200 cell HJS catted downpipe is a proven, bolt-on performance exhaust upgrade for the BMW F87 M2, F22 F23 M235i, F30 F31 335i and F32 F33 435i. Expect faster turbo spool, stronger mid-range torque, sharper throttle response and an aggressive yet refined exhaust note. Dyno-proven gains without a check engine light. Perfect for enthusiasts who want real-world power and daily drivability from a premium sports cat downpipe.
Why choose this BMW N55 catted downpipe
- Engineered around a genuine 200 cell HJS motorsport catalytic converter core for maximum flow, performance and reliability
- Direct bolt-on turbo downpipe replacement for the factory BMW N55 downpipe
- No cutting or welding required, designed to fit OEM and most aftermarket exhaust systems
- Does not trigger a check engine light in typical fitments
- Crafted in-house by Fabspeed Motorsport with precision CNC flanges for perfect fitment and proper clearances
- A crease is incorporated to ensure clearance on any M235i setup
- Ideal performance exhaust upgrade for F87 M2, F22 F23 M235i, F30 F31 335i, F32 F33 435i with the BMW N55 engine
Dyno-proven performance gains
M2 (F87) N55
- +16 to +22 whp
- +33 to +40 ft-lb of torque
M235i (F22/F23) N55
- Peak: 322 whp / 356 ft-lb vs stock 309 whp / 328 ft-lb
- At 3000 RPM: +21 whp / +36 ft-lb
- At 4500 RPM: +26 whp / +22 ft-lb
These figures demonstrate the real benefits of a high-flow 200 cell HJS catted downpipe on the BMW N55 platform. Bigger, earlier torque and a stronger powerband for road and track.
Fitment and compatibility
- BMW F87 M2
- BMW F22/F23 M235i
- BMW F30/F31 335i July 2013+
- BMW F32/F33 435i July 2013+
What to expect
- Noticeably improved turbo spool and throttle response
- Sportier, deeper exhaust tone from your BMW N55 engine
- Dyno-proven horsepower and torque gains
- High-flow catted performance without the harshness of a decat
Installation, gasket and support
Direct bolt-on installation to the factory turbo. We highly recommend replacing the downpipe-to-turbo gasket during fitment for a perfect seal.
Prefer professional installation for your BMW N55 sport cat downpipe upgrade? Nforcd offers expert fitting in Warwickshire. Request a quote: Sales@nforcd.com.
Built by Fabspeed Motorsport
Each Sport Cat Downpipe is hand made in-house by Fabspeed Motorsport. Fabspeed crafts its own CNC flanges for accuracy and long-term durability, ensuring consistent fitment and leak-free performance.
Emissions and legality
Designed with a 200 cell HJS catalytic converter and complies with most emissions regulations. It is the purchaser’s responsibility to verify legality and compliance in your region.
Part number
FS-BMW-M2F87-SCDP
Compatibility check before dispatch
To ensure perfect fitment, we run a compatibility check prior to dispatch. Provide your registration number (UK) or the last 7 digits of your VIN at checkout.
Warranty
- Lifetime Limited Warranty against defect
- 2 Year Warranty on the catalytic converter
What our customers say
We have installed this Fabspeed 200 cell sport cat downpipe on customer cars and feedback has been consistently excellent. Owners love the stronger mid-range punch, cleaner turbo response and the quality fit and finish.
Photos and videos
Sound Clip - M2
Sound Clip - M235i with Fabspeed Sport Cat Downpipe
BMW F30 335i Sport Cat
SEO-friendly keywords for clarity
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