Flowtech
Headers - 65-75 Olds 442 400/455
SKU: F00M 11154FLT
Description
Part #: 11154FLT
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 flah mild steel tubing
- Precision engineered for fit, performance and economy
Long Tube Headers | 1.75 in. Primary Tubing | 3 in. Collector Size | w/Air Fittings | 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.
Fitment
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Specifications
| Brand | Flowtech |
| Part Number | F00M 11154FLT |
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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