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Exhaust› Headers, Manifolds and Components

Doug's Headers

Exhaust Headers - Olds Cutlass 65-75 455 CID

$1,039.39 $944.90 Save $94.49

SKU: D019 D741

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Long tube headers designed for maximum power and quality. Features include 3/8” thick machined flanges to prevent warping, CNC mandrel bent tubes for accurate fit and improved flow, and durable 16 gauge tubing. This model has a 1 3/4" primary tubing diameter and a 3" collector port diameter. The Hi-Temp Black Coating protects against rust and corrosion, providing a sleek, aggressive style.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDoug's Headers
Part NumberD019 D741

Videos

Long Tube Headers for your Classic Muscle Car, What to Expect for Installation

Long Tube Headers for your Classic Muscle Car, What to Expect for Installation

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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