Flowtech 11704-RFLT SB Chevy Rams Horn Exhaust Manifold, Uncoated

Flowtech exhaust manifolds are the perfect combination of quality and value. This Rams horn exhaust manifold fits all popular hot rods with the popular small block Chevy motor.

• Tight fit block hugger design for popular hot rod and street rods powered by the popular small block Chevy motors
• Cast iron construction styled in the vintage Rams Horn design for maximum engine clearance and maximum strength
• Smooth transition, 1-5/8 diameter primaries are used for increased exhaust flow increasing performance and improving throttle response
• 3/8 thick 2-1/2 collector for maximum strength
• Thick header flange pads for a leak-free seal and maximum strength
• Premium aluminum header gaskets are included
• Thjis manifold is raw "uncoated" so it is perfect to paint match or coat to match engine or body design

Note: Hardware to mount the manifolds to the heads is NOT included.

Installation Instructions (PDF)

• Width of Header at widest point from exhaust flange- 3.823"
•  Height of Header from highest to lowest point - 7.13"
•  Length of Header from leading edge to trailing edge - 18.623"
•  Cylinder Head surface to outside point - 3.52"
•  Bolt center to top of manifold - 3.51"
•  Manifold bolt center to bottom of collector - 5.50"
•  Collector mounting bolt circle center to center - 3.031"