Torque Solution Speed Density Adapter Harness for 02-07 WRX/STi (TS-WH-497) Holley and four-layer silicone couplers with

and four-layer silicone couplers with heat-resistant embedded fibers for improved tolerance against heat and pressure

The flange to the cat is 3" to fit any aftermarket stock-location 3" HFC or test pipe

and DW300) cannot be fitted

8mm Turbine Housing: FP 8cm or 10cm Compressor Housing: 84mm Flow Advancement Port Cover Oil Line: Not Included (Available HERE) Oil Filter Housing: Requires 1G 6-Bolt Air-Cooled Oil Filter Housing FP Part Numbers: 2013100

We require a core for these finished pieces

Torque Solution Speed Density Adapter Harness for 02-07 WRX/STi (TS-WH-497) Holley and four-layer silicone couplers withThe Torque Solution plug and play speed density adapter harness for 2002 2007 WRX and STi allows you to easily switch from a MAF setup to Speed Density (SD) without having to hack up your OEM harness. This adapter harness is a direct plug and play with the OEM harness plug and GM Style AIT sensor, such as the AEM (30 2010). Requires a bung to be welded for the AIT sensor either on the throttle body side of your TMIC or on your FMIC upper charge pipe