MBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sed. 3in Cat-Back Single Rear Exit w/ Burnt End Tips-T304 YMM_1997_1999_Mercury_Tracer_lll Its 74mm diameter is engineered

Its 74mm diameter is engineered for a snug fit into standard OBD ports

making this kit ideal for demanding off-road use and aggressive driving conditions

75% cfm Flow Gain

this filter can be integrated into a wide range of fuel systems

minimizing movement and vibration

MBRP 15-21 Subaru WRX 2.0L/STI 2.5L/ 11-14 Sed. 3in Cat-Back Single Rear Exit w/ Burnt End Tips-T304 YMM_1997_1999_Mercury_Tracer_lll Its 74mm diameter is engineeredThe MBRP Stainless Steel 3" Cat Back exhaust system is a high performance upgrade designed for 2011 2021 Subaru WRX and STI models. Constructed from durable T304 stainless steel, this single exit cat back enhances both the sound and exhaust flow of your vehicle. Its 3 inch diameter piping provides improved performance and a more aggressive exhaust note, making it suitable for enthusiasts seeking increased power and a sporty sound. The corrosion