Exhaust› Headers, Manifolds and Components

American

Long Tube Header System with Catalytic Converters

$1,934.17

SKU: JPGC-11178300LSWC

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 American Racing Headers JPGC-11178300LSWC is a long tube header system designed for the 2011-2015 Jeep Grand Cherokee 5.7L. It features 1-7/8" x 3" primaries, TIG welded 3" merge collectors with scavenger spikes, and 3/8” thick stainless steel flanges with hand-ported inlets.

This system includes 200 cell metallic substrate catalytic converters for durability. It is made entirely of 304 stainless steel and is 100% made in the USA. The optimized primary tube routing ensures a superior fit and performance.
Show original supplier description
The American Racing Headers JPGC-11178300LSWC is a long tube header system specifically engineered for the 2011-2015 Jeep Grand Cherokee equipped with the 5.7L engine. This system boasts 1-7/8" diameter long tube primaries, flowing into ARH's exclusive TIG welded 3" merge collectors, which are enhanced with scavenger spikes for improved exhaust scavenging. Constructed from 100% 304 stainless steel, the headers feature robust 3/8” thick laser-cut flanges designed for a warp-free seal. The hand-ported TIG welded inlets and optimized primary tube routing contribute to both a superior fit and outstanding performance gains. This catted version includes durable 200 cell metallic substrate catalytic converters. It is crucial to note that ALL American Racing Headers exhaust systems, including this one, are intended for OFF-ROAD use only. The sale, use, or installation of this product may be illegal nationwide under the Federal Clean Air Act and is not intended for street use. Purchasing this product requires the buyer to sign a Vehicle Compliance Waiver.

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

BrandAmerican
Part NumberJPGC-11178300LSWC
CategoryExhaust
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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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