Performance Motorsport Parts exhaust systems are designed to fit OEM mounting points for perfect fitment. Performance Motorsport Parts exhausts enhance your car's sound and more importantly your vehicles power and torque. ---3" bore throughout with 4.5" tailpipe ---Mandrel bent and fully TIG welded for strength and durability ---CNC machined flanges for strong, solid support and an accurate fit ---Designed to improve power and torque across the entire RPM range ---Noticeably improves throttle response Compatible with: ---Nissan Silvia 200sx S14 2.0 SR20DET 1994-2000 models.