The n1 dual is a hybrid variation of the n1 exhaust. this system incorporates a twin pipe, twin canister design for improved mid-range torque without sacrificing top end power. the twin piping is constructed of mild steel with a titanium particle coating mated to sus 304 polished stainless steel canisters. each canister features a polished 90mm (3.54 inch) tip. robotic tig welds compliment the hand crafted mig welds to create on of the most innovative and dynamic exhaust systems on the market.