For street enthusiasts who also race their sportbikes…
Brock’s Performance StreetSmart exhaust systems deliver maximum horsepower and torque with the hardest acceleration possible, in both stock and highly-modified engines without hampering low speed drivability.

• 4-2-1 tapered and/or stepped configurations maximize mid-range and peak power punch with minimal reduction in low-end power
• Large volume system maximizes ram-air efficiency at high speeds and aids power output during nitrous oxide use
• Ultra-lightweight stainless steel construction
• Dyno, drag strip, land speed, and roll-on tested (multiple national championships, victories, records and bragging rights!)