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.
| Bolt size |
3/8-16 x 3/4 |
| Brand |
Flowtech Exhaust |
| CARB (California) Compliant |
No |
| Category |
Exhaust |
| Collector Diameter |
2.25 |
| 2877 |
2.25 |
| 17 |
Gray |
| Design |
Ram Horn |
| Emission Code |
3 |
| Engine |
Chevrolet Small Block Gen I |
| 200 |
Natural |
| Flange Style |
Square Port |
| 353 |
Yes |
| Gaskets Included |
Yes |
| 3390 |
Performance |
| Hardware Included |
Yes |
| Header Finish |
Natural |
| Header Style |
Ram Horn |
| 8611 |
No |
| 10 |
Steel |
| 30 |
Yes |
| 356 |
6 |
| 2878 |
No |
| Pack Qty |
Pair |
| part type |
Exhaust Manifold |
| 1905 |
Oval |
| Primary Tube Dia. |
1-5/8 inch |
| Primary Tubing Diameter |
1-5/8 |
| Primary Tubing Diameter |
1.625 |
| Product Type |
Manifold |
| Sub Category |
Exhaust Manifolds |
| Tube Diameter |
1.625" |
| Tube Material |
Cast Iron |
| Warning |
California Proposition 65 |
| Bolt size |
3/8-16 x 3/4 |
| Brand |
Flowtech Exhaust |
| CARB (California) Compliant |
No |
| Category |
Exhaust |
| Collector Diameter |
2.25 |
| 2877 |
2.25 |
| 17 |
Gray |
| Design |
Ram Horn |
| Emission Code |
3 |
| Engine |
Chevrolet Small Block Gen I |
| 200 |
Natural |
| Flange Style |
Square Port |
| 353 |
Yes |
| Gaskets Included |
Yes |
| 3390 |
Performance |
| Hardware Included |
Yes |
| Header Finish |
Natural |
| Header Style |
Ram Horn |
| 8611 |
No |
| 10 |
Steel |
| 30 |
Yes |
| 356 |
6 |
| 2878 |
No |
| Pack Qty |
Pair |
| part type |
Exhaust Manifold |
| 1905 |
Oval |
| Primary Tube Dia. |
1-5/8 inch |
| Primary Tubing Diameter |
1-5/8 |
| Primary Tubing Diameter |
1.625 |
| Product Type |
Manifold |
| Sub Category |
Exhaust Manifolds |
| Tube Diameter |
1.625" |
| Tube Material |
Cast Iron |
| Warning |
California Proposition 65 |
| Description_ABR |
EXHAUS SMALL |
| Description_SHO |
EXHAUS SMALLBLOCK CH |
| Description_INV |
SMALLBLOCK CHEVY RAM HORN MANIFOLD - RAW |
| Description_ASC |
Manifold to head bolts not included. Header Dimensions:
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" |
| Description_DES |
Flowtech Rams Horn Exhaust Manifolds - Natural "Uncoated" |
| Description_EXT |
Small Block Chevy Rams Horn Exhaust Manifolds, 1-5/8" primary diameter, 2-1/4" Collector, Natural "Uncoated" |
| Description_MKT |
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. |
| Description_FAB |
Tight fit block hugger design for popular hot rods powered by the popular small block Chevy motors |
| Description_FAB |
Cast iron construction styled in the vintage “Rams Horn” design for maximum engine clearance and maximum strength |
| Description_FAB |
Smooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response |
| Description_FAB |
3/8” thick 2-1/4” collector for maximum strength |
| Description_FAB |
Thick manifold flange pads for a leak-free seal and maximum strength |
| Description_FAB |
Premium aluminum manifold gaskets and collector hardware is included |
| Description_FAB |
This manifold is raw "uncoated" so it is perfect to paint match or coat to match engine or body design |
| Description_FAB |
Sold as a pair |
| Description_ABR |
EXHAUS SMALL |
| Description_SHO |
EXHAUS SMALLBLOCK CH |
| Description_INV |
SMALLBLOCK CHEVY RAM HORN MANIFOLD - RAW |
| Description_ASC |
Manifold to head bolts not included. Header Dimensions:
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" |
| Description_DES |
Flowtech Rams Horn Exhaust Manifolds - Natural "Uncoated" |
| Description_EXT |
Small Block Chevy Rams Horn Exhaust Manifolds, 1-5/8" primary diameter, 2-1/4" Collector, Natural "Uncoated" |
| Description_MKT |
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. |
| Description_FAB |
Tight fit block hugger design for popular hot rods powered by the popular small block Chevy motors |
| Description_FAB |
Cast iron construction styled in the vintage “Rams Horn” design for maximum engine clearance and maximum strength |
| Description_FAB |
Smooth transition, 1-5/8” diameter primaries are used for increased exhaust flow increasing performance and improving throttle response |
| Description_FAB |
3/8” thick 2-1/4” collector for maximum strength |
| Description_FAB |
Thick manifold flange pads for a leak-free seal and maximum strength |
| Description_FAB |
Premium aluminum manifold gaskets and collector hardware is included |
| Description_FAB |
This manifold is raw "uncoated" so it is perfect to paint match or coat to match engine or body design |
| Description_FAB |
Sold as a pair |
