COMPETITION SERIES 4-INTO-2-INTO-1

A new development from the Race Shop - "The Competition Series Exhaust" - FOR RACING USE ONLY

Designed exclusively for drag race applications, this 4:2:1 exhaust is the ultimate design for peak power on stock, heavily modified and nitrous engines.

- Quality, lightweight stainless steel construction.
- Tapered head pipes and full merge collectors for maximum performance.
- Slip fit collector joints with ñdual swivel end retention springsî.
- Tuned length megaphone with optional baffle.
- O2 sensor bung in rear collector for stock O2 sensor or wideband air/fuel ratio monitoring.
- Weighs only 10 pounds, over 38 pounds lighter than the stock Hayabusa exhaust.
- Includes oil cooler bypass kit and spring puller tool.
- Fuel maps available for many combinations.