Exhaust› Headers, Manifolds and Components

GSTP Autoparts

Longtube Exhaust Headers 1 3/4" Diameter

$249.99

SKU: EH-28945X-S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The GSTP Autoparts EH-28945X-S is a set of engine exhaust headers. These longtube headers are designed for LS swap applications in Chevrolet, Pontiac, and Buick vehicles, specifically for LS1, LS2, LS3, and LS6 engines. The headers feature a 1 3/4" diameter, aiming to optimize exhaust flow and enhance vehicle performance.
Show original supplier description
The GSTP Autoparts EH-28945X-S are longtube exhaust headers engineered for LS swap projects in Chevrolet, Pontiac, and Buick vehicles equipped with LS1, LS2, LS3, or LS6 engines. These headers boast a 1 3/4" primary tube diameter, designed to facilitate improved exhaust flow and contribute to enhanced engine performance and an aggressive exhaust note. These headers are designed for fitment on a range of classic American muscle cars, including the 1970-1981 Chevrolet Camaro, 1970-1981 Pontiac Firebird, 1964-1988 Chevrolet El Camino, 1978-1988 Buick Grand National, and many others listed. The product aims to unleash the roar and full potential of your LS swap project, offering precision engineering for a distinctive exhaust sound and performance upgrade.

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

BrandGSTP Autoparts
Part NumberEH-28945X-S
CategoryExhaust
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

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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Shipping

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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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