632202C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi STM and does not tax the

and does not tax the standard coolant system

The outlet (side port) of the AOS is plumbed back to the turbo inlet pipe

polished aluminum pipes

but the option to weld this flange to your existing 3" is always there

632202C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi STM and does not tax theManley Pistons for the EJ257 motor in the 2006 2014 WRX and 2004+ STi models includes a full set of 4 pistons, wrist pins, ring sets and round wire locks. See more Manley Pistons for the EJ257 WRX & STi Vehicle Fitment: Subaru EJ257 2006 2014 WRX 2004 2021 STi Piston Specs: Part Number: 632202C4 Pin: Standard . 180" Wall Bore Size: 99. 75mm (+. 25) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 22 cc