Made in USA
Thrush Header Back Kit 1967-72 GM C-Series Pick-up
InfoVehicle Info Needed
DYNOMAXPART NUMBER: 289-89027

Thrush Header Back Kit 1967-72 GM C-Series Pick-up

$40299
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Header Back Systems for Trucks
    Thrush Header Back Kit
  • 1967-72 GM C-Series Pick-up with Trailing Arms
  • Not Compatible with Leaf Spring Suspensions
  • Dual Mufflers
  • 2.5'' Diameter

  • Quality Raw Materials Provide Greater Corrosion Resistance
  • Provides Longer Life
  • Combine State Of The Art Engineering w/Quality Material
  • Provides Exceptional Strength And Durability
  • Manufactured w/Precision Benders; Fixture Checked
  • Insuring Every Part Fits Perfectly
  • Providing Quick And Easy Installation
  • Pipe Dia. Are Increased From OEM Sizes To Improve Flow
  • Pipe Dia. Are Increased From OEM

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeExhaust System
BrandDYNOMAX
Package Height14.5
Package Width16.25
Package Length68.5
Weight74.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Tip IncludedNo
Tailpipe Diameter (In.)2.5
QuantitySold as a kit
System FinishAluminized
Muffler IncludedYes
Muffler QuantityTwo
System StyleHeader-back
Muffler ConfigurationSingle inlet/Single outlet
System MaterialSteel
Exit LocationSplit Rear
Exit QuantityTwo
Muffler StyleTurbo
Inlet QuantityTwo
Intermediate Pipe Diameter2.5 in (63.5 mm)
Part FitmentSemi Universal
Exhaust TypeDual
Vendor Part Number89027
Package Qty1
Package TypeEA
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