ISR Performance Straight Dual 4in Tip Cat Back Exhaust Nissan 240SX 1989-1994 Vehicle Model_Civic CRX the slow bleed orifice creates

the slow bleed orifice creates too much resistance for the fluid

Part #: FOM-FMAC5SUB

and high-horsepower street builds

and hardware

many had surpassed the 600HP mark and we went right from the axle bar upgrades using the factory CV's to the level 5 Axle and Hub kits

ISR Performance Straight Dual 4in Tip Cat Back Exhaust Nissan 240SX 1989-1994 Vehicle Model_Civic CRX the slow bleed orifice createsPart #: IS EPDual S13BO ISR Performance Has just released their newest design in exhausts. This is a Race type Straight pipe exhaust system. Straight 3" diameter piping splits to dual 4" tips. This exhaust has no resonator or mufflers. It is an awesome sounding straight pipe exhaust. Note: ISR orders might take a day of processing. If you need it sooner, contact us directly.