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Exhaust Headers, Manifolds and Components

Flowtech

Long Tube Header Black Paint 1966-1974 Chevy/GMC 1/2 & 3/4 & 1-Ton 2WD & 4WD 1967-1974 Blazer/Jimmy 2WD 1966-1972 Blazer/Jimmy K5/Suburban 4WD 1973-1974 Blazer/Jimmy K5/Suburban 2WD & 4WD 283-400 Tube Size 1.5 Inch Collector Size 3 Inch FlowTech

$273.95 $249.95 Save $24.00

SKU: F00M 11500FLT

In Stock
In Stock
Ships by Aug 5
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 11500FLT

Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 in. flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat resistant black paint for a stealthy appearance.

Features:

  • Fuel Economy From The Engine
  • Fuel Economy From The Engine
  • Leak Test For Max Performance
  • Leak Test For Max Performance
  • Mandrel-Formed Power Plenum
  • Mandrel-Formed Power Plenum
  • Leakproof O-Ringed Port Seals
  • Leak-proof O-Ringed Port Seals
  • Include All Mounting Hardware
  • Include All Mounting Hardware
  • Construced of .049 cold roll flash mild steel tubing
  • Precision Engineered For Fit
  • Precision engineered for fit, performance and economy
  • Works with factory power steering and power brakes

1966-1974 Chevy/GMC 1/2 & 3/4 & 1-Ton 2WD & 4WD, 1967-1974 Blazer/Jimmy 2WD, 1966-1972 Blazer/Jimmy K5/Suburban 4WD, 1973-1974 Blazer/Jimmy K5/Suburban 2WD & 4WD: 283-400, Tube Size 1.5", Collector Size 3"

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Flowtech Exhaust Headers for various applications.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFlowtech
Part NumberF00M 11500FLT

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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