Brembo 4-Piston GT-R System (Rear) - BMW / 320i/28i/d/30i/35i/40i / 428i/30i/35i/40i / xDrive (F3x)Product Segment: Brembo GT R Systems System Position: Rear Caliper Body: Billet Monobloc Radial Mount Number of Pistons: 4 Disc Size and Construction: 345x28 2 Piece Disc Type: Drilled Slotted (Type: 1 3 3L 5) Disc Vane Design: Vented Straight Pillar Curved 48 72 Vane Disc to Hat Mounting: Floating D Bobbin with Anti Rattle Spring

Lug bolts feature a 17mm Hex head and 60° Taper Cone Seat with M14x1

In recent dyno testing this system produced 9 HP and 10 lbs

Does the CTS Turbo intake system improve the sound of the engine

Optional Accessories:

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By utilizing our 034Motorsport adjustable end links

This system is 100% Made in the USA and carries a lifetime warranty from the manufacturer

Our main goal is to give you a peace of mind when commuting

Actively involved in professional motorsports

When a positive pressure wave travels to the end of an open pipe and is ultimately expelled into the atmosphere

- Water Pump Union (Burgaflex)

With further modifications to the car