Flowtech- 11704-2FLT Ram Horns Exhaust Manifolds for SBC


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Small Block Chevy Rams Horn Exhaust Manifolds; 1-5/8" primary diameter; 2-1/4" Collector; Chrome Finish

Flowtech exhaust manifolds are the perfect combination of quality and value. These Rams horn exhaust manifolds fit all popular hot rods with the popular small block Chevy engine.


  • Tight fit block hugger design for popular hot 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 2-1/4” collector for maximum strength
  • Thick manifold flange pads for a leak-free seal and maximum strength
  • Premium aluminum manifold gaskets and collector hardware is included
  • This manifold is coated in high luster show quality chrome for a classic finish
  • Sold as a pair
Bolt Size 3/8-16 x 3/4
Brand Flowtech
CARB (California) Compliant No
Collector Diameter 2.25 inch
Emission Code 3
Engine Chevrolet Small Block Gen I
Flange Style Square Port
Gaskets Included Yes
Hardware Included Yes
Header Finish Chrome
Header Style Ram Horn
Material Steel
Pack Qty Pair
Primary Tube Dia. 1-5/8 inch
Product Type Manifold
Tube Diameter 1.625"
UPC 090127690741
Part Number 11704-2FLT

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