H&R 85-91 BMW 325e/325i/325is E30 Race Spring (Non Cabrio/Tuner Fitment) Fuel Delivery>Fuel Rails Adds a dramatic amount of

Adds a dramatic amount of performance and durability to any vehicle

This system features Borla(r) 'S Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

while still absorbed road noise and engine vibrations

Also included is a 1/8" NPT calibration plug that is set to the factory fluid level which eliminates accidental overfilling

H&R 85-91 BMW 325e/325i/325is E30 Race Spring (Non Cabrio/Tuner Fitment) Fuel Delivery>Fuel Rails Adds a dramatic amount ofH&R Race Springs are designed for high performance drivers'who want the most out of their vehicles. When the need for uncompromised handling performance becomes a priority, H&R Race Springs will provide over the top race ready performance and appearance. They help balance vehicle weight for improved performance and control, while lowering the center of gravity.