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Brand

  • Flowmaster
  • Kooks Custom Headers

Engine Make/Size

  • 5.7/6.1/6.2/6.4 HEMI
  • Ford 3V Modular
  • Ford Big Block
  • Ford VooDoo
  • HMS Enforcer Small Block Chevrolet
  • SBC Fast Burn/LT1
  • Chevy 3.6L
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  • Toyota 5.7L
  • Universal Fit

Matching Tube Size

  • 1.875 in.
  • 2.500 in. ID
  • 3.000 in. OD
  • 3.500 in. OD

Material

  • 304 Stainless Steel
  • Aluminized Steel
  • Aluminum
  • Stainless Steel
  • T304 Stainless Steel
  • Mild Steel

Port Size

  • 1.500 in.
  • 1.625 in.
  • 1.750 in./1.875 in.
  • 2.000 in.
  • 2.375 in.
  • For Standard Round Tubing
  • 1.750 in.
  • 1.875 in.
  • 2.125 in.
  • 2.250 in.
  • 2.500 in.
  • 3.000 in.
  • 3.500 in.
  • 4.000 in.

Thickness

  • 0.060 in.
  • 0.250 in.
  • 0.312 in.
  • 0.830 in.
  • 0.375 in.
  • 0.500 in.
  • 0.3125 in.

Exhaust Flange

Kooks Custom Headers 

Ball And Socket Flange Kit

4 Parts

Ball And Socket Flange Kit
  • 100 Percent Manufactured In The USA
  • Kooks Headers And Exhaust Make The Most Power In The Industry
  • Kooks Products Are Made Of T304 Air Craft Quality Steel
  • Kooks System Are Specifically Designed For Maximum Power
  • Limited Lifetime Warranty To Original Purchaser
  • Every Kooks Product Is Dyno And Race Tested
  • Kooks Products Fit And Install The Best
  • 3 Generations Being Family Owned And Operated

See All

Kooks Custom Headers 

Bank Exhaust Flange

4 Parts

Bank Exhaust Flange
  • 100 Percent Manufactured In The USA
  • Kooks Headers And Exhaust Make The Most Power In The Industry
  • Kooks Products Are Made Of T304 Air Craft Quality Steel
  • Kooks System Are Specifically Designed For Maximum Power
  • Limited Lifetime Warranty To Original Purchaser
  • Every Kooks Product Is Dyno And Race Tested
  • Kooks Products Fit And Install The Best
  • 3 Generations Being Family Owned And Operated

See All

Kooks Custom Headers 

Exhaust Flange

26 Parts

Exhaust Flange
  • 100 Percent Manufactured In The USA
  • Kooks Headers And Exhaust Make The Most Power In The Industry
  • Kooks Products Are Made Of T304 Air Craft Quality Steel
  • Kooks System Are Specifically Designed For Maximum Power
  • Limited Lifetime Warranty To Original Purchaser
  • Every Kooks Product Is Dyno And Race Tested
  • Kooks Products Fit And Install The Best
  • 3 Generations Being Family Owned And Operated

See All

Flowmaster 

Header Collector Ball Flange Kit

4 Parts

Header Collector Ball Flange Kit
  • 16 Gauge Aluminized Tubing
  • Replaces Three Bolt Flange Connection
  • Slip Fit Connections for Easy Assembly
  • Leak Free Ball and Socket Seal
  • 3.50 in. collector to 3.00 in. tubing
  • Premium Flowmaster Quality
  • 3 Year Limited Warranty

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Kooks Custom Headers 

Header Flange

110 Parts

Header Flange
  • 100 Percent Manufactured In The USA
  • Kooks Headers And Exhaust Make The Most Power In The Industry
  • Kooks Products Are Made Of T304 Air Craft Quality Steel
  • Kooks System Are Specifically Designed For Maximum Power
  • Limited Lifetime Warranty To Original Purchaser
  • Every Kooks Product Is Dyno And Race Tested
  • Kooks Products Fit And Install The Best
  • 3 Generations Being Family Owned And Operated

See All

Kooks Custom Headers 

Header Flange Adapter Plate

3 Parts

Header Flange Adapter Plate
  • 100 Percent Manufactured In The USA
  • Kooks Headers And Exhaust Make The Most Power In The Industry
  • Kooks Products Are Made Of T304 Air Craft Quality Steel
  • Kooks System Are Specifically Designed For Maximum Power
  • Limited Lifetime Warranty To Original Purchaser
  • Every Kooks Product Is Dyno And Race Tested
  • Kooks Products Fit And Install The Best
  • 3 Generations Being Family Owned And Operated

See All

UpCountry Fab & Performance