AFE: Twisted Steel Race Series Down-Pipes BMW X5 M (F85)/X6 M (F86) 15-19 V8-4.4L (tt) S63 Coil Over the LS engines relieve their

the LS engines relieve their crank case pressure by ingesting the air

The CIRC (Concentric Integrated Remote Canister) System more than triples the gas volume over a standard coilover resulting in consistent operation over a wide temperature range and throughout the stroke

000 for a set of fully assembled LS7 heads from your friendly GMPP distributor

locks and seals

We provide most of the components

AFE: Twisted Steel Race Series Down-Pipes BMW X5 M (F85)/X6 M (F86) 15-19 V8-4.4L (tt) S63 Coil Over the LS engines relieve theirAdd dyno proven power and unique sound to your BMW X5 X6 M with this Twisted Steel Race Series down pipe that outflows and outperforms the factory down pipe. Constructed from 3 1 2" 3" mandrel bent, brush finished 304 stainless steel tubing to improve exhaust flow to deliver increased horsepower and torque. This one piece designed, direct fit down pipe also features a factory style V band flange, heavy duty flex tube and factory O2 sensor and