Wagner BMW N55 Catless Downpipe for 135i and 335i — E82 E88 E90 E91 E92 E93
Unlock power, response and sound with the Wagner BMW N55 catless downpipe, part number 500001015. Designed for the BMW 135i and 335i with the N55 turbo engine, this stainless steel SS304 decat downpipe is a direct OEM replacement that reduces back pressure, improves turbo spool, and delivers a sharper, more aggressive exhaust note. Perfect for performance-focused builds, stage 2 tuning and track-day cars looking for maximum flow and reliability.
Key Features and Benefits
- Manufactured from high quality stainless steel 1.4301 (SS304)
- 100 percent direct-fit replacement for the OEM downpipe
- Lower thermal load on the turbo for improved durability
- Reduced back pressure for increased power potential
- Noticeably stronger torque and faster turbo spool
- No Catalytic Converter*
- Precision welds and robust construction for long-lasting performance
- Suitable for performance exhaust upgrades and stage 2 remaps
At Nforcd we have supplied and fitted these Wagner N55 decat downpipes to multiple customer cars and feedback has been consistently excellent — crisper throttle response, stronger mid-range and a purposeful exhaust tone. If you are searching for a BMW N55 downpipe upgrade that fits right, flows better and performs on road or track, this is the go-to solution.
Fitment Compatibility
Compatible with:
- BMW 135i E82 and E88
- BMW 335i and 335xi E90 E91 E92 E93
Part Number
500001015
Fitting and Support
Professional installation recommended. For supply and fitting, choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Recommended Extras
You may wish to purchase the Genuine BMW N55 Downpipe Gasket to complete the install.
Compliance and Important Notes
*Off-road use only unless a catalytic converter is fitted elsewhere in the exhaust system. Removing all catalytic converters will almost invariably make your vehicle illegal for use on a public road. The ECU may need coding to prevent engine management light errors after installation.
Manufacturer and Warranty
Manufactured by Wagner. Supplied with a 2-year manufacturer warranty.
Compatibility Check
We run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm fitment for your BMW 135i or 335i with the N55 engine.
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