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Exhaust› Headers, Manifolds and Components
Doug's Headers
Coated Headers - Pontiac V8 326-455
SKU: D019 D567
Moderate — 2–4 hours
Overview
Constructed from durable 16-gauge steel, these headers have 3/8" thick machined flanges to prevent warping and CNC mandrel-bent tubes for an accurate fit and improved exhaust flow. They come with a metallic ceramic coating for thermal protection and corrosion resistance, finished in a semi-gloss silver. Mounting hardware and gaskets are included.
Show original supplier description
Part #: D567
Headers - Full Length - 1-7/8 in Primary - 3-1/2 in Collector - Steel - Ceramic - Pontiac V8 - GM A-Body 1964-72 - Pair
Vehicle Symptoms
- Engine feels sluggish during acceleration
- Exhaust system appears rusty or leaking
- Noticed decreased fuel economy under load
- Lack of top-end power on highway
- Excessive under-hood heat causing vapor lock
Relevant Conversations
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- my 1972 LeMans lacks power exhaust upgrade
- GTO header install tips and tricks
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- buy Doug's Headers D567 pair
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.
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Specifications
| Brand | Doug's Headers |
| Part Number | D019 D567 |
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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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