With KW factory pre-set damping
the restrictive factory airbox is replaced by Fabspeed's Carbon Fiber Competition Intake System for the 2000-2004 models or the Cold Air upgrade kit for the 1998-1999 models which increases the cold air flow into the engine for better power and sound
Up to 15% lighter than stock exhaust systems
Experience ultimate performance and luxury with the Maserati Quattroporte (Mk6)
9 kg less than factory exhaust components
Kline Innovation BMW M5/M8 2021+ DECAT cat pipe set BMW-X3M-2023 With KW factory pre-set dampingTHE SOUND Replacement of the stock 600cpsi catalysts, with either high flow HJS cores, or de cat pipes, opens up the sound significantly, as well as drastically improving turbo spool for increased power, and reduced spool time. This coupled with the twin 70mm dual oversized down pipes, allows the engine to reach its full potential. The addition of a 20 degree x pipe to the center section, raises the pitch of the exhaust, complementing the inline 6