JE 361351 Pistons kit BMW S50B30EU 86.25MM 12.5:1 (Set of 6 pic) test123 Manufactured to meet original fitment

Manufactured to meet original fitment standards

Systems with other tip finishes and systems that use the factory tips are also available

Description BORLA 14139 Cat-Back™ System MUST GT 87-93 5

it replaces the original unit with a pressure/vacuum operated piston valve that still also retains the desirable OEM ECU control

2008-2014 Subaru Impreza STi/WRX/GT

JE 361351 Pistons kit BMW S50B30EU 86.25MM 12.5:1 (Set of 6 pic) test123 Manufactured to meet original fitmentDESCRIPTION: Piston Set, 2618, Dome, 3. 396 Bore, 1. 245 CD, 0. 827, Pin Dia, Set of 6. 3. 396 Bore (mm) 86. 25 Top Compression Ring Thickness 0. 0400 Second Compression Ring Thickness 0. 0480 Oil Ring Thickness 0. 111 Forging Type FSR Volume (cc) 3. 40 Series JE Pistons Piston Head Type Dome Pin Diameter (IN) 0. 827 Compression Height 1. 245 Make BMW Wrist Pin Style floating or press fit Floating Wall Type CHAMFERED Wall Thickness (IN) 0. 150 Ringset