Armytrix BMW 3 SERIES F80, BMW 4 SERIES F82/F83 Cat-back

M3, M4:

De-drone Front pipe + Mid pipe sec. 1 (L and R) + Mid pipe sec. 2 (L and R) + Valvetronic mufflers + Wireless remote control kit

• Armytrix cat-back needs ECU reprogramming due to OPF delete
• Fits both left-hand and right-hand drive cars
• We kindly ask you to provide a VIN prior to ordering, to ensure fitting on all >sept 2018 models due to possible EU6 sensor issue.
• Please be informed that blue coated tips might experience discoloration due to heat and agressive cleaning products