BORLA 140312 Cat Back Exhaust System IMP WRX STI 08- 09 2.5L ymm_81 75" diameter into the mufflers

75" diameter into the mufflers with dual 2

BMW 13717548897

Phoenix 1977-1979

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

000˝ Grip Length n/a˝ Thread Diameter-Pitch 1/4-28 Grip Diameter 1/4˝ Wrenching 5/16˝ Head Height 0

BORLA 140312 Cat Back Exhaust System IMP WRX STI 08- 09 2.5L ymm_81 75" diameter into the mufflersDescription 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