Exhaust› Headers, Manifolds and Components
Flowtech
Long Tube Header W/Air Fittings Painted 66-74 Chevy/GMC 1/2/3/4 1-Ton 67-74 Blazer/Jimmy 283-400 Tube Size 1.5 Inch Collector Size 3 Inch W/ Air Tubes FlowTech
SKU: F00M 11500SFLT
Advanced — 4+ hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
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.
Available on iOS & Android
Specifications
| Brand | Flowtech |
| Part Number | F00M 11500SFLT |
Videos
INSTALL & REVIEW -Flowtech Header Installed & Fitting Great - Square Body Chevy C10 Build
Open Box and After Sound of Flowtech Headers on a Squarebody Chevy small block engine!
Best Headers for Chevy 350 [Top 5 Reviews] - Exhaust Manifold Racing Header [2026]
The Best Sounding OBS Chevy on YouTube | 1988 K1500
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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