2003 Honda Civic Exhaust Manifold and Headers

Your 2003 Honda Civic might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust Manifold and Headers you desperately need.

We currently carry 5 Exhaust Manifold and Headers to choose from for your 2003 Honda Civic, and our inventory prices range from as little as $716.99 up to $1,322.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Exhaust Manifold and Headers for the 2003 Honda Civic. We only sell parts from trusted brands like Walker so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 16 reviews on our Exhaust Manifold and Headers for the 2003 Honda Civic from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust Manifold and Headers stock in-person!

Exhaust Manifold and Headers for Your 2003 Honda Civic

Walker – EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed (Part No.16373)

EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed

from

$1059.99
Designed to comply with EPA emissions requirements while delivering premium performance with assured compliance, Walker® Ultra® EPA-Compliant Manifold Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to engine cylinder head and match all downstream connections
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges and manifolds for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.49372)

OEM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1322.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49372. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 Honda Civic and 2001-2005 Acura EL, this direct-fit catalytic converter also interchanges with OE parts 18160-PLM-A00 and 18160-PLM-A50, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50884)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1058.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50884. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 Honda Civic and 2001-2005 Acura EL, this direct-fit catalytic converter also interchanges with OE parts 18160-PLM-A00 and 18160-PLM-A50, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Dorman – Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME (Part No.673-6081)

Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME

from

$796.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

Dorman – Manifold Converter – Carb Compliant – For Legal Sale In NY – CA – ME (Part No.673-608)

Manifold Converter - Carb Compliant - For Legal Sale In NY - CA - ME

from

$716.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
See More

FAQs for 2003 Honda Civic Exhaust Manifold and Headers

What are the most popular Exhaust Manifold and Headers for the 2003 Honda Civic?

With 3 brands you can trust, our most popular Exhaust Manifold and Headers for the 2003 Honda Civic parts are:
EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed
from $1059.99
(4)
EPA Ultra Manifold Converter, Direct Replacement, No Fabrication Needed
Exhaust Manifold and Headers
OEM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1322.99
This product is not rated
OEM Grade Federal / EPA Compliant Manifold Catalytic Converter
Exhaust Manifold and Headers
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1058.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Exhaust Manifold and Headers