UPD BMW CATLESS 3" (76mm) inlet Turbo Hi Flow for BMW M5 F90 F91, F92, f93 with twin turbo 4,4 litre. Comes with primary and secondary pipes. Made of large industry leading 304 stainless tubing for the best possible sound and increased horsepower! Pipe sizes will support aggressive tunes and larger turbos. Extreme durability OEM- like bolt up mount fitment. Higher flow helps keep under hood temps down and exhaust velocity up for maximum power. Aggressive turbo and exhaust sound! UPD catless down pipes save substantial weight over OEM exhaust. Made of 304 stainless steel with smooth bends 3" diameter CNC machined flanges .

Will mate to stock catback Direct bolt on application Correct location for O2 sensor bungs Brackets are in the factory location for ease of installation. Bolts included but must re-use OEM band clamps. Once piece design for less bolt up parts.

Catless downpipes shown have a raised area just after the turbos to visually match OEM looks with raised area , reduces back pressure right out of the turbo , improve sound and known to create a venturi effect.

• All brackets and downpipes mounts to OEM brackets.
• Includes flex joints for ease of installation and to reduce vibration
• Quicker spool up reduced lag and better throttle response
• Increasing the life of the turbos
• Reduces the intake engine air temperature (IATs)
• M5 F90 M8 F91 F92 F93 4.4L 4.4L, 4.4 V8 Bi Turbo & Competition Models
• Catless down pipes are for off road use only.