Stainless Steel 4-2-1 large bore exhaust manifold for the K Series engine designed to give improved mid to high range torque improvements and cleaner escape of gases through longer straighter primary header pipes. Large bore version (40mm Pipes) suited to engines tuned beyond 170bhp.

Includes stainless steel link pipe, and heat-shield.

Used once then removed. These retail for over £1,000 at popular Lotus parts distributors.