Flowtech
OBS HDR 73-74 CHEVY/GMC TRK 2WD
SKU: F00M 49150-1FLT
Description
Part #: 49150-1FLT
FLOWTECH's Afterburner Turbo Chamber Headers represent the first new major design change in exhaust technology in decades. This designs combines the race-proven 4 into 1 design with the torque managing capabilities of a Tri-Y header. The turbo chamber helps smooth out exhaust turbulence for increased performance and a broad power curve. This header is coated in a metallic ceramic coating for increased exhaust velocity and lower underhood temps.
Features:
- Patented Velocity Tube increases cylinder scavenging
- Increase Cylinder Scavenging
- Tuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses
- Smooth Exhaust Pulses
- Big 3" secondary collector for reduced back pressure
- Secondary Collector For Reduced Back Pressure
- Horsepower and Torque increased over conventional header design
- Increase Horsepower/Torque
- Premium high-temperature electrostatic gray finish
- Premium Electrostatic Gray Finish
- All hardware and premium gaskets included for a complete installation
- All Hardware Included
Afterburner Headers | Long Tube Style | 1.625 in. Primary Tubing | 3 in. Collector | Mild Steel | Silver Metallic Ceramic 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.
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 49150-1FLT |
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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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