Gravity Performance exhaust systems are designed in house to fit OEM mounting points for perfect fitment to your vehicle. Our Gravity Performance exhausts greatly enhances the sound with a captivating exhaust note while also increasing performance. ---2 x 2″ bore throughout with twin 3.5″ tailpipes ---A free flowing exhaust is a great way to get the most out of the BMW Powerplants ---Manufactured from mandrel bent T304 grade stainless steel ---Engineered to improve throttle response and increase power and torque across the entire RPM range ---Fits from the downpipe back Compatible with: BMW E30 320i 325i 325iX 1982-1995 models.