PRL Motorsports High Volume Intake System Conversion Kit Stock Turbo Inlet Pipe to Standard Bore MAF Housing 2017-2021 Honda Civic Type-R YMM_2018_PORSCHE_MACAN making it an essential addition

making it an essential addition for Subaru enthusiasts focused on durability and performance

Touring and Track Editions feature a 3” inlet of the mid-pipe to accommodate further modification upstream without disruption

Handling: Increases front chassis stiffness to reduce flex and improve cornering precision

Designed for Subaru WRX models from 2002-2007 and WRX STI from 2004-2021

PRL Motorsports High Volume Intake System Conversion Kit Stock Turbo Inlet Pipe to Standard Bore MAF Housing 2017-2021 Honda Civic Type-R YMM_2018_PORSCHE_MACAN making it an essential additionBig Bore MAF Scaling ECU Calibration Required Big Bore MAF Option The PRL Motorsports High Volume Intake System Big Bore MAF housing upgrade is the largest MAF housing on the market, rated at 600+ horsepower, and offers a 47 Percent increase in airflow volume over the factory MAF housing or Standard Bore HVI MAF. Our engineers were able to profile the volute and locate the MAF sensor flange in the optimal location to help keep fuel trims extremely