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Upgrade your 2011-2021 Subaru WRX or WRX STI Sedan with the COBB Titanium Cat-Back Exhaust
This cover overlays the genuine part
the MULTI US 7002 has a unique 8-step charging curve
OE Replacement for Part Number: 17220-5MS-H00
The duck bill valve prevents back flow and reduces fuel spray noise
PRL Motorsports High Volume Intake System Conversion Kit PRL Turbo Inlet Pipe to Standard Bore MAF Housing 2017-2021 Civic Type-R YMM_2017_FORD_FOCUS_RS Upgrade your 2011-2021 Subaru WRXBig 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
