Honda K Series 70mm V-Band Exhaust ManifoldProduct Features Industry leading SUS347 stainless steel investment cast exhaust manifold Cast stainless construction allows ARTEC manifolds to deliver superior flow and efficiency. Smoother merging angles can be achieved versus traditional manifolds, and tight radius bends and runners can also be eliminated which can cause restriction Designed for easy fitment along with plenty of space and clearance for oil drains and servicing Engine Compatibility