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Sale

Exhaust› Headers, Manifolds and Components

4-2-1 Ceramic Exhaust Header Set

Name: 4-2-1 Ceramic Exhaust Header Set
Brand: DC
SKU: HHR5019

$508.00 $273.54 Save $234.46

SKU: HHR5019

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$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The DC Sports Ceramic Race Header is a two-piece header designed for the 2001-2004 Honda Civic EX with the L4 1.7L D17A2 engine.

Constructed from mild steel with a ceramic coating, this race header is dyno-tuned and tested to maximize performance gains. It features a CAD-rendered design for easier installation and comes with comprehensive instructions, necessary hardware, and decals. This product is intended for off-road use only.

Show original supplier description

The DC Sports HHR5019 is a 4-2-1 ceramic exhaust header set, specifically designed as a 2-piece unit for the 2001-2005 Honda Civic EX models equipped with a 1.7L engine. Constructed from durable T409 stainless steel, this header features CNC mandrel bends and TIG welded fittings to ensure a perfect fit and optimal exhaust flow. This header is dyno-tuned and tested for maximum performance gains. It offers a direct bolt-on installation with all necessary hardware and comprehensive instructions included. The ceramic coating is applied in the USA. A critical note for buyers: This product is designated for "Race use only" and is explicitly stated as "Not for sale in California" due to CARB E.O. Number restrictions. The product is also listed as discontinued and unavailable for new orders.

Vehicle Symptoms

Exhaust leak ticking noise from engine bay
Check engine light for P0420
Poor acceleration and loss of power
Rattling sound from exhaust manifold
Decreased fuel economy

Diagnostic Codes

P0420 – Cat Sys Efficiency Below Threshold (B1)
P0130 – O2 Snsr Ckt B1 Snsr 1

Relevant Conversations

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Civic EX exhaust upgrade before and after
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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

Brand	DC
Part Number	HHR5019
Category	Exhaust

Videos

DC Sports 4-2-1 Honda Civic Header Install | SOHC VTEC Sounds!

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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.

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