BBS Wheel PFS Kit Ring Clip Bolts BMW The HKS header was developed

The HKS header was developed in conjunction with the High Flow Metal Catalyzer to optimize power and torque across the power band

The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure

effectively eliminating the factory understeer and creating oversteer

There are no special tools required and maintenance can be performed without removing the blow off valve from the vehicle

30-50 mm at front and rear

BBS Wheel PFS Kit Ring Clip Bolts BMW The HKS header was developedThese are genuine BBS PFS ring kits. Most 5x100 BBS wheels feature a 70mm center bore, and most 5x112 wheels feature a 82mm center bore, but there could always be an exception to the rule and therefore we urge you to measure both the center bore of your wheels and the hub bore of your vehicle. These will only fit in BBS wheels featuring the PFS system. NOTE: Sold Individually. If you need a kit for each corner please order (4). Picture is for