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Exhaust› Headers, Manifolds and Components
Flowtech
Long Tube Header Ceramic Coated Finish -1-5/8 Inch X 3.0 Inch 1967-1974 Camaro/Firebird 1965-1974 Chevy Full Size Car 1964-1972 Gm A-Body 1968-1974 Gm X-Body 265-400 Sbc Engines FlowTech
SKU: F00M 31100FLT
Moderate — 2–4 hours
Overview
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Part #: 31100FLT
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 and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.
Features:
- Tuned-length primary tubes for better performance
- Tuned Length Primary Tubes
- Mandrel-bent tubing for smooth exhaust flow
- Mandrel Bent Tubing For Smooth Flow
- Light weight & sturdy 16 gauge tubing
- Light Weight/Sturdy 16 Gauge Tubing
- Mandrel-formed Power Plenum collector for low back pressure
- Mandrel Formed Power Plenum Collector For Low Backpressure
- Sturdy, leak-tested O-Ring port seals
- Leak Tested O-Ring Port Seals
- Engineered for a precision fit
- Engineered For A Precision Fit
- Designed for easy, trouble-free installation
- Hassle Free Installation
- Includes all mounting hardware and premium gaskets
- Include All Mounting Hardware
- Works with factory power steering and power brakes
Headers - Full Length - 1-5/8 in Primary - 3 in Collector - Steel - Metallic Ceramic - Small Block Chevy - GM A-Body / B-Body / F-Body / X-Body 1964-89 - Pair
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Loss of horsepower at high RPM
- Exhaust manifold cracked or leaking
- Engine runs hotter than normal under hood
- Poor throttle response and acceleration
- Exhaust note too restrictive or quiet
Relevant Conversations
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- Will headers fit my 1970 Chevelle 350
- Headers causing check engine light P0420
- Flowtech vs Hooker headers for SBC
- SBC header installation time and tools needed
- Long tube headers sound clip for small block
- Headers and exhaust system combo for more power
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Flowtech |
| Part Number | F00M 31100FLT |
About MOTORMIA
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Returns & Fitment
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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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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