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Part # 42511545FLT

Flowtech 11545FLT SBC Upright Derby Headers, 1-5/8 Inch

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  • Has a 3” collector for maximum strength and exhaust flow
  • Uses extra thick header flange for a leak-free seal and maximum strength
  • Made from heavy duty 16-gauge 409SS tubing for increased strength and durability

$273.95

set

In Stock


Quantity

Select a vehicle to verify Fitment

Product Summary

283, 305, 307, 327, 350, 377, 383, 400, Raw, Natural

  • Has a 3” collector for maximum strength and exhaust flow
  • Uses extra thick header flange for a leak-free seal and maximum strength
  • Made from heavy duty 16-gauge 409SS tubing for increased strength and durability
  • 1-5/8” tubing diameters available for increased exhaust flow increasing performance and improved throttle response
  • The CNC Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect

Key Specs

MFG. Part #11545FLT
BrandFlowtech Exhaust
Header Tube TypeUpswept
FinishRaw
Material TypeStainless Steel

Need To Know

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Need help? Call 800.979.0122

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Details

Get the perfect combination of quality and value with FlowTech Upright Derby or Truck Pull Style Headers. Features a 1-5/8” tubing diameters and are ideal for even big cubic inch Small Block Chevy engines.

Also features 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 available 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

KEY SPECS
MFG. Part #11545FLT
BrandFlowtech Exhaust
Header Tube TypeUpswept
FinishRaw
Material TypeStainless Steel
GENERAL
Flange StyleStandard
Primary Tube Diameter1-5/8"
ColorNatural
Weld-UpNo
Exhaust Port ShapeRectangle
Collector Diameter3 Inch
Collector Length12"
Hardware IncludedNo
Gasket(s) IncludedNo
Sold in QuantitySet
Emission Code3
GTIN Code090127734957
Collector Attachment TypeSlip fit
Collector Reducers IncludedNo