Nitron Audi R8 V8 (07-) NTR R1 Suspension Kit NTR R1 SYSTEM The Nitron NTR R1 system offers unrivalled performance and value with a design that gives drivers a wide range of effective, easy to use damping control. Combined 2-way damping adjustment. Developed from our full race suspension and sharing... MSRP: Was: Now: £3,280.80 Add to Cart