GrimmSpeed Subaru OEM DP to 3" Catback Adapter (077046) StillenShipping_125 No free air sensor calibration

No free air sensor calibration required with approved sensors

In-tank pump adapter + DW440 Brushless and Controller 440lph fuel pump

The horsepower and torque gains achieved with this turbocharger upgrade are substantial

The filter was designed for high airflow pressure without sacrificing engine protection

: 56mm / 59mm

GrimmSpeed Subaru OEM DP to 3" Catback Adapter (077046) StillenShipping_125 No free air sensor calibrationDownpipe to Catback Adapter (077046) by GrimmSpeed. Main Piping Diameter: 3". Exhaust leaks seem to be an all too common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. Compare adapter to the competition and you will immediatly see why offer the best solution to finally end that pesky leak. The most guaranteed leak you will get though is if you run an aftermarket 3" downpipe to an OEM