- 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 "dual swivel end retention springs".
- Tuned length megaphone with optional baffle.
- O2 sensor bung in collector for wideband air/fuel ratio monitoring.
- Weighs only 9.8 pounds, over 10 pounds lighter than the stock R1 exhaust.
- Includes spring puller tool.
- Fuel maps available for many combinations.