Pro Circuit exhaust:

• T-4 system includes spark arrestor and features aluminum and stainless construction. Inovative design provides huge horsepower gains and faster, stronger throttle response. Ability to turn performance with a selection of end caps that change the powerband of the bike.
• The longer aluminum constructed can features impermeable internal packing. The canister is lined with special packing layers and utilizes baffles and chambers for maximum sound disbursement and more power. This is the ultimate in aftermarket exhuast that provides low noise output, low maintenance, and maximum power gains.
• Optional stainless head pipe is one of the finest modifications you can make to your DRZ. The unique design will enhance low to mid RPM power while increasing tractability and the hand assembled construction will ensure great durability. $189.95

Bill's Pipes:

• Lightweight aluminum body and CNC aluminum mounting bracket, inlet, and end cap. All head and connector pipes are ceramic coated. USFS approved screen spark arrestor included.
• Optional header pipe has proven power gains in the low to mid range as well as at the highest revs. Ceramic coated. $159.95. Available seprate by calling 1-888-524-7921
• All hand made in the USA!