Stone Exhaust BMW N55 F87 M2 OEM Integrated Valved Cat-Back Exhaust System
Upgrade your BMW M2 N55 F87 with the Stone Exhaust OEM integrated valved cat-back exhaust system and unlock the sound, performance and quality your M2 deserves. This is the ultimate BMW M2 N55 valved catback exhaust, engineered for precise OEM fitment, switchable sound and proven power gains. Perfect for daily driving and weekend track use, this cat-back delivers deep, aggressive tone when you want it and refined comfort with zero drone when you do not.
Part Number: AP519
Why choose this BMW M2 N55 valved catback exhaust
- BMW M2 F87 N55 cat-back exhaust with OEM integrated valves for factory-style ECU control
- Optional Stone Valvetronic dual-valve remote control system with plug and play OBDII controller
- Dyno developed for real performance gains and trademark Stone Exhaust sound
- One piece precision design, 3D scanned and reverse engineered for 100 percent OEM fitment
- Engineered to eliminate drone for comfortable motorway cruising
- Built with mechanical welding accuracy, direct spot welding and crisscross and overlapping techniques for strength
- Developed with 7 axis CNC bending for exceptional roundness and flow
- Backed by Stone Exhaust 2 year warranty
Dyno proven performance
Gain up to +16.9 PS at 5800 rpm and +21.6 Nm at 3600 rpm with the Stone Exhaust BMW M2 N55 F87 cat-back system. Enjoy sharper throttle response, improved mid range torque and an authentic BMW M2 exhaust sound.
OEM integrated valves and optional remote Valvetronic
The OEM integrated valves allow the BMW ECU to open and close the valves automatically, just like standard. Want full manual control of your BMW M2 valved exhaust. Add the Stone Valvetronic System with dual valves and control it remotely via the Stone controller, with a simple plug and play OBDII setup.
OPF compatibility
Running an OPF equipped car. Stone offers an OPF delete solution included free of charge so you can install this BMW M2 F87 cat-back exhaust without error codes, meaning no OPF coding on the ECU is required.
Engineered for flow, sound and reliability
Stone Exhaust begins with 3D scanning and reverse engineering of the OEM BMW M2 N55 exhaust to perfect pipe diameter, routing and bend angles. 3D flow simulation is used to optimise exhaust gas movement, thermal behaviour and pressure zones. The 7 axis CNC bending process achieves outstanding roundness and accuracy which improves gas flow and avoids weld fractures. Direct spot welding plus crisscross and overlapping welding techniques maximise strength at high temperature joints.
Fitment and compatibility
- BMW F87 M2 N55 2014+
- BMW F87 LCI M2 N55 2016+
Designed as a direct fit BMW M2 N55 catback exhaust replacement, no cutting required on compatible models. If you would like professional installation, Nforcd offers fitting in Warwickshire. Request a quote at Sales@nforcd.com.
Real world feedback
We have installed and used this BMW M2 N55 Valvetronic cat-back on customer cars and our own cars. Fitment is spot on, valve control is seamless and customers love the deeper tone, crackles on throttle and the comfortable no drone cruising. This is a standout BMW M2 exhaust upgrade for sound, quality and performance.
Watch and listen
Gallery
R and D detail
Warranty
Stone Exhaust 2 year warranty for peace of mind.
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Need fitting
We can fit this BMW M2 N55 F87 valved cat back exhaust at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Manufactured by: Stone Exhaust
Part Number: AP519