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Exhaust› Headers, Manifolds and Components
Doug's Headers
Coated Headers - Pontiac V8 350/400/455
SKU: D019 D581
Moderate — 2–4 hours
Overview
Designed for performance, these headers are intended for 1970-1979 Pontiac Firebird models with V8 engines and round port heads. They include necessary mounting hardware, collector reducers, and premium gaskets for proper installation.
Show original supplier description
Part #: D581
Headers - Full Length - 1-7/8 in Primary - 3-1/2 in Collector - Steel - Ceramic - Pontiac V8 - GM F-Body 1970-79 - Pair
Vehicle Symptoms
- Loss of low-end torque during acceleration
- Engine feels restricted or sluggish at high RPM
- Exhaust note sounds choked or muffled
- Reduced fuel economy under heavy throttle
Relevant Conversations
- 1970 Firebird losing power at high RPM
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- P0420 after header install on 1978 Camaro
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 | Doug's Headers |
| Part Number | D019 D581 |
About MOTORMIA
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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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