These cartridges are supplied with springs but they must be selected in the cart
tested and retested in our state of the art dyno facility and on the road with 3 test riders giving real world feedback
Like our bikes
MotoGP certified by Magneti Marelli state-of-the-art load cell sensor with both right and left dual "Magic" threads"
Inspired by acceleration
Spark, Yamaha, R6, "Grid-O", Titanium, Full, Exhaust, System, (2017+) Rocket 3 These cartridges are supplied withThis item is special order, there are no returns or refunds once ordered. This Item may be subject to import fees or duties Spark Exhaust Technology Yamaha R6 (2017+) "Grid" Titanium Full Exhaust System with Catalyst Eliminating Titanium Mid Pipe and Titanium Header. Constructed with a titanium silencer, mid pipe, and racing header. Handcrafted in Italy, Approximately 4 lbs, Dyno Tested for maximum horsepower increase over stock, 113 db. Non