BORLA 140312 Cat Back Exhaust System IMP WRX STI 08- 09 2.5L ymm_81 BORLA Cat-Back and Axle-Back exhaust

BORLA Cat-Back and Axle-Back exhaust systems utilize patented straight-through and multi-core technology to increase exhaust flow and performance

Air Filter Outlet Shape: Round

BMW 13717548897

Available in choice of black oxide finish chrome moly or corrosion resistant stainless steel

75" diameter into the mufflers with dual 2

BORLA 140312 Cat Back Exhaust System IMP WRX STI 08- 09 2.5L ymm_81 BORLA Cat-Back and Axle-Back exhaustDescription BORLA 140312 Cat Back Exhaust System IMP WRX STI 08 09 2. 5L BORLA Performance offers a quad exit Cat Back exhaust system for the 20082014 Subaru WRX STi. This race inspired system (PN140312) is designed to enhance the performance of the flagship model. The exhaust plumbing has been upgraded from 2. 5" to 3" in diameter, resulting in increased airflow and horsepower gains of 7% to 10%. The system muffler is positioned higher than the