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Flowtech Exhaust Heavy Duty 409S Steel Upright Headers for Small Block Chevy

PART NUMBER: 11545FLT
BRAND: Flowtech

DESCRIPTION

Flowtech Heavy Duty Upright Headers

Fits Small Block Chevy, 1-5/8" Primary Tubes, 409 Stainless Steel Upright Headers- Natural Finish

Flowtech Headers are the perfect combination of quality and value. These Small Block Chevy Upright headers in 1-5/8" tube diameters are ideal for even big cubic inch Small Block Chevy engines.

They feature a merged collector coupled with a collector spear that is welded inside the collector. These components help to improve the flow and performance of the header.

FEATURES

  • CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
  • Heavy duty 16-gauge 409SS tubing for increased strength and durability
  • 1-5/8" tubing diameters for increased exhaust flow increasing performance and improved throttle response
  • 3" collector for maximum strength and exhaust flow
  • Extra thick header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spears to control exhaust gas re-entry into primary tubes

SPECIFICATIONS

Air Injection Tubes No
Application Small Block Chevy
Bolt Size 3/8-16 x 3/4 IN
Bolts Included No
Brand Flowtech Exhaust
California Proposition 65 Yes
CARB (California) Compliant No
Catalytic Converter Quantity 0
Collector Attachment Weld-On
Collector Diameter 3.00 IN
Collector Length 12.00 IN
Collector Port Diameter 3.00 IN
Collector Reducer Included No
Collector Reducer Outlet Diameter N/A
Color Silver
Design Upright
EGT Port No
Emission Code 4
Engine Chevrolet Small Block Gen I
Finish Natural
Flange Thickness 0.375 IN
  3/8 IN
Gasket Or Seal Included No
Grade Type Performance
Header Series Flowtech
Header Style Upright
Installed Height 37.00 IN
Material 304 Stainless Steel
Mounting Hardware Included No
Oxygen Sensor Port No
Port Shape Square
Primary Tubing Diameter 1 5/8 IN
  1.625 IN
Quantity Sold as a Pair
Sheen Level Semi-Gloss
Tube Wall Thickness 16 GU

EMISSION 4

  • This part is legal for sale or use on Racing Use Only Vehicles
  • The following vehicles are considered Racing Use Only Vehicles:Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
  • WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

APPLICATION NOTES

  • Gaskets and hardware sold separately.

VEHICLE COMPATIBILITY

Fits Chevy Small Block Engines