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 with tapered headpipes and full merge collectors for maximum performance

Slip-fit collector joints with "dual swivel end retention springs" and tuned length megaphone with optional baffle

O2 sensor bung in rear collector for wideband air/fuel ratio monitoring

Systems weigh approximately 10 lbs; 18 lbs lighter than stock ZX14, over 21 lbs lighter than stock Hayabusa and 10 lbs lighter thatn the stock R1

All systems include spring puller tool; Hayabusa also includes oil cooler bypass kit

Fuel maps available for many combinations