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Flowtech 11553FLT - Upright Headers

Flowtech 11553FLT - Upright Headers

Flowtech | 11553FLT
SKU: FLTCH-11553FLT
Regular price $421.99 USD
Regular price $710.95 USD Sale price $421.99 USD
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11 in stock

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Flowtech 11553FLT - Upright Headers

Flowtech Upright Headers

Upright Headers; 2.25 in. Primary Tubing; 4 in. Collector; 409 Stainless Steel; Black Finish;

Flowtech Headers are the perfect combination of quality and value. These Big Block Chevy Upright headers available in 2-1/4 in. tube diameters are ideal for even big cubic in. Big Block Chevy engines

  • 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
  • 2-1/4” tubing diameter for increased exhaust flow increasing performance and improved throttle response
  • Extended 4” collector for maximum strength and exhaust flow
  • Extra thick 7/16” header flange for a leak-free seal and maximum strength
  • Welded-in collector merge spears to control exhaust gas re-entry into primary tubes
  • Center of exhaust port to end of collector length is 33-1/2"
Air Injection Tubes: No
Application: Big Block Chevy
Bolt size: 3/8-16 x 3/4
Bolts Included: Yes
Brand: Flowtech Exhaust
CARB (California) Compliant: No
Catalytic Converter Quantity: 0
Category: Exhaust
Collector Attachment: Weld-On
Collector Diameter: 4.00
Collector Port Diameter: 4.00
Collector Reducer Included: No
Collector Reducer Outlet Diameter: N/A
Color: Black
Design: Upright
Drive: 2WD
Drive: 4WD
EGT Port: No
Emission Code: 4
Engine: GM Big Block
Finish: Painted
Flange Thickness: 0.4375
Flange Thickness: 7/16
Gasket Or Seal Included: Yes
Grade Type: Performance
Header Series: Flowtech
Header Style: Upright
Material: 409 Stainless Steel
Mounting Hardware Included: Yes
Oxygen Sensor Port: No
part type: Exhaust Header
Port Shape: Round
Primary Tubing Diameter: 2.25
Primary Tubing Diameter: 2 1/4
Product Type: Headers
Quantity: Sold as a Pair
Sheen Level: Satin
Sub Category: Exhaust Manifolds
Tube Wall Thickness: 16
Warning: California Proposition 65
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