ASP

XL Custom Header

$1,750.00

SKU: ASP-HDR-XL-RSX-02-06

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

Constructed from US-grade 304 stainless steel, it is built to resist rust and ensure longevity. Engineered with precision, this header features 3 stepped, equal-length runners and a compact, true 4-into-1 merge collector. This design optimizes exhaust gas flow efficiency, unlocking the full horsepower and torque potential of K20 or K24 engines. The inclusion of a megaphone or reverse cone further enhances peak horsepower and broadens the powerband. This header is compatible with DC5 and EP3 chassis vehicles. It is designed to work with either 2.5" or 3" exhaust systems, utilizing a test pipe with a 3-bolt flange for 2.5" systems or a 3" megaphone/reverse cone with a V-band assembly for 3" systems. Please note that an O2 sensor extension is required, and this product is for off-road use only, as it deletes the stock catalytic converter. The average weight of the header is 17 lbs.

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

Fitment Guaranteed

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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

BrandASP
Part NumberASP-HDR-XL-RSX-02-06
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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