Exhaust Headers, Manifolds and Components

Doug Thorley Headers

4:1 Long Tube Headers, 1.75-Inch Primaries, Silver Ceramic

$938.00

SKU: THY-151-C

In Stock
In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Doug Thorley Headers THY-151-C are engineered for maximum power gains across the entire RPM range, making them ideal for high-performance street applications. These long tube headers are constructed from durable steel with 1.75-inch primary tubes and 14-gauge tubing, ensuring longevity and optimal exhaust flow. The silver ceramic finish provides a durable and attractive aesthetic while also offering heat resistance. Installation is facilitated by the inclusion of all necessary hardware, including bolts, studs, collectors, and reducers. The headers feature a 3-bolt flange attachment for a secure fitment. Designed and manufactured in the USA, these headers come with a Limited Lifetime Warranty, underscoring their quality and durability. It is important to note that these headers will not fit Chargers with a steering column shift. The product is CARB exempt for competition use (CARB Comp. No), meaning it is not street legal in all areas without specific emissions modifications. For optimal performance and to ensure proper system function, tuning may be recommended after installation.

MIA's Description

The Doug Thorley Headers THY-151-C is a set of long tube headers constructed from durable steel. These 4:1 long-tube headers feature 1.75-inch primary tubes with 14-gauge tubing for enhanced performance. They come in a silver ceramic finish and include all necessary bolts, studs, collectors, and reducers for installation.

Fitment

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Specifications

BrandDoug Thorley Headers
Part NumberTHY-151-C
CategoryExhaust

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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