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Exhaust Headers, Manifolds and Components

Flowtech

Long Tube Header Black Paint 1970-1974 Firebird T/A 1964-1974 Gto/Lemans/Grand-Am 350-455 Tube Size 1.625 Inch Collector Size 3 Inch FlowTech

$355.95 $327.95 Save $28.00

SKU: F00M 11170FLT

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 #: 11170FLT

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
  • Constructed of .049 cold roll flash mild steel tubing
  • Precision engineered for fit, performance and economy

Long Tube Headers | 1.625 in. Primary Tubing | 3 in. Collector Size | Mild Steel | Black Painted Finish | Gaskets | Hardware

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 headers are precision-engineered for performance and value, utilizing mandrel-bent tubing, formed collectors, and 5/16" flanges with sealing rings for a leak-free seal. They include all mounting hardware and gaskets for easy installation. This particular header is coated in a high heat-resistant black paint for a stealthy appearance. Constructed of .049 cold roll flash mild steel tubing.

Fitment

Fitment Guaranteed

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on fit.

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 11170FLT

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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