ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Quad Matte Black Tips 3-Series | 4-Series F3x 12-15To harvest the full potential of the BMW engine, we utilize quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build our valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory

Works perfectly with existing allroad valence

Also suitable for ABS

5 inch ID Length: 14 inch Spring Rate: 375 lbs/inch

4F0-698-451-E / 4F0698451 E / 4F0 698 451 E / 4F0698451E

• 2018-2022 S55 BMW F87 M2 Competition (S55 engine only)

Dual Blue Coated Tips (2xS14C) (2X89mm)

tested and manufactured in-house

Tested before shippingWe run each one of our HPFP kits on our fuel pump dyno before shipping

and even with our Sport Cat Downpipe installed it still remains a daily-drivable (and daily-enjoyable) setup

Saves 34 lbs with the side muffler bypass alone

keeping the bearing in place and reducing chances of failures

- CNC water jet cut flanges