2004 Honda Civic Performance Exhaust Systems

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    • (0 reviews)
      # mpn1114337
      Honda Civic EX With LEV1 Specification / With ULEV Specification 2004, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. With Pre-Cat O2 Sensor...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $559.33
    • (0 reviews)
      # 136722307
      Honda Civic 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by PaceSetter®. Emissions: EPA compliant. PaceSetter Manifold Catalytic Converters are custom-engineered to deliver maximum performance and...
      Manifold Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent stainless steel tubing for a low restriction tubular manifold design
      $169.61 - $196.12
    • (8 reviews)
      # mpn1094422
      Honda Civic DX / EX / LX 2004, Street Series™ Stainless Steel Cat-Back Exhaust System by MagnaFlow®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.25". System Sound: Moderate. The...
      Moderate SoundDelivers More Horsepower
      $511.20
    • (0 reviews)
      # mpn457857283
      Honda Civic EX 2004, N1™ Stainless Steel Cat-Back Exhaust System by Invidia®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.36". For a good balance of price and performance, Invidia...
      Made to boost the performance of your vehicleExpertly crafted from premium materials
      $462.70
    • (0 reviews)
      # 11019186
      Honda Civic 2004, Single Canister™ 304 SS Cat-Back Exhaust System by DC Sports®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.25". DC Sports exhaust systems are CNC Mandrel bent from T304...
      Individually tuned and dyno-tested for maximum performanceUses factory mounting locations for ease of installation and solid hangers for added durability
      $497.37 - $609.90
    • (3 reviews)
      # 78253211
      Honda Civic 2004, N1 Style™ 304 SS Cat-Back Exhaust System by Spec-D®. Exhaust Type: Cat-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 2.5". Make whatever you drive run and sound like a high-performance machine...
      Made of high quality T-304 stainless steelMaximum performance which increases up to 15 horsepower
      $136.17 - $154.33
    • (0 reviews)
      # mpn470412053
      Honda Civic EX Coupe 2004, N1™ Mild Steel Single Cat-Back Exhaust System by APEXi®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Mild Steel. Main Tubing Diameter: 2.36". The N1 series muffler has become a staple of the import...
      Muffler is based on the "Original" WS (World Sport) Muffler Canister and TipIdeal for the daily driver car of an enthusiast
      $605.88
    • (0 reviews)
      # mpn470411873
      Honda Civic EX Coupe 2004, WS2 Mild Steel Single Cat-Back Exhaust System by APEXi®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Mild Steel. Main Tubing Diameter: 2.55". The WS Exhaust series is the A'PEX answer to the ultimate...
      Designed to boost your vehicle's performanceProvides excellent low and mid range power without excessive noise
      $777.70
    • (0 reviews)
      # 381451099
      Honda Civic DX / EX / LX Coupe 2004, Medalion Touring™ Stainless Steel Cat-Back Exhaust System by Tanabe®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.36". The elegant, well defined...
      Designed to boost your vehicle’s performanceEngineered to excel in quality and durability
      $627.00
    • (0 reviews)
      # mpn2765263239
      Honda Civic DX / GX / LX 2004, Standard Grade Stainless Steel Exhaust Manifold Converter with Ceramic Substrate by Flowmaster®. Emissions: EPA compliant. Color: Silver. Header Coating: Uncoated. Header Style: Short Tube....
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $235.39
    • (0 reviews)
      # 389117745
      Honda Civic 2004, Heavy Metal Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $363.15 - $398.55
    • (0 reviews)
      # 346396097
      Honda Civic 2004, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $455.34 - $523.76
    • (1 review)
      # 346396091
      Honda Civic with LEV1 Specification / with ULEV Specification 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: CARB...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $504.88 - $523.76
    • (0 reviews)
      # mpn2321647
      Honda Civic EX 2004, Ceramic Coated 4-1 Exhaust Header by DC Sports®. OEM. Primary Tubing Diameter: 1.36". Collector Outlet Diameter: 2". Emissions: CARB compliant. Finish: Ceramic Coated. Color: Silver. Header Coating: Ceramic...
      Dyno tuned and tested against the competition for maximum performanceCAD-rendered, race-inspired 4-into-1 design emphasizes top-end power for road racing applications
      $327.09
    • (0 reviews)
      # mpn2321654
      Honda Civic EX 2004, Ceramic Coated 4-2-1 Two Piece Exhaust Header by DC Sports®. OEM. Primary Tubing Diameter: 1.65". Collector Outlet Diameter: 2". Emissions: EPA compliant. Finish: Ceramic Coated. Color: Silver. Header Coating:...
      Dyno tuned and tested against the competition for maximum performanceCAD-rendered, design with threaded flanges for easy installation
      $415.81
    • (0 reviews)
      # mpn865727095
      Honda Civic DX / LX 2004, Stainless Steel Exhaust Header by Spec-D®. Emissions: EPA compliant. Collector Outlet Diameter: 2". Color: Silver. Header Coating: Uncoated. Header Style: Short Tube. Make whatever you drive run and sound...
      Increase up to 12-15 hp1.5" primary tune / 2.5" collector
      $87.15
    • (0 reviews)
      # 448075067
      Honda Civic 2004, T3 Ram Horn Turbo Exhaust Manifold by Blackworks Racing®.
      $799.00 - $849.00
    • (0 reviews)
      # mpn2960795737
      Honda Civic 2004, T3 Turbo Exhaust Manifold by Blackworks Racing®. Blackworks Raicng Civic 01-05 D17 Turbo Manifolds are designed and manufactured in the USA! Made from High Quality Stainless Steel. Our Ramhorn Manifolds are...
      High quality at an affordable priceExpertly made from premium materials
      $799.00
    • (0 reviews)
      # mpn2765263238
      Honda Civic EX 2004, Standard Grade Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With 2 O2 Sensor Ports. Catalytic Converter Overall Length: 40". Flowmaster's Standard Grade...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $420.97
    • (0 reviews)
      # 98136289
      Honda Civic 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $311.53 - $317.87
    • (0 reviews)
      # 49715858
      Honda Civic 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2". Catalytic...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $100.27 - $113.92
    • (0 reviews)
      # 138850578
      Honda Civic With LEV1 Specification / With ULEV Specification 2004, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Without Air Tube. Catalytic Inlet Diameter: 2"....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $165.85 - $381.39
    • (0 reviews)
      # 49715855
      Honda Civic 2004, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2". Catalytic...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $122.43 - $154.65
    • (0 reviews)
      # mpn458109896
      Honda Civic 1.7L 2004, Mild Steel Exhaust Manifold Flange by Vibrant Performance®. Material: Mild Steel. Do you want to get more power out of your vehicle? Then this superior Vibrant Performance product is just for you. Carefully...
      Made of High Quality MaterialsAvailable in different sizes
      $49.88
    • (0 reviews)
      # mpn2114205
      Honda Civic 2004, Graph-Flex™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $17.63
    • (0 reviews)
      # mpn1593909787
      Honda Civic 2004, HTR Oval Collector Gaskets by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.84
    • (0 reviews)
      # mpn2117346
      Honda Civic 2004, Seal-4-Good™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Multi-layered for excellent conformability and sealSeals even imperfect flanges
      $34.41
    • (0 reviews)
      # mpn2118394
      Honda Civic 2004, XX Carbon™ Exhaust Header Gaskets by Taylor Cable®. These extreme high-temperature gaskets are well-suited for highly-modified engines: turbocharged, supercharged, nitrous or fuel. This is a premium,...
      Malleable stainless steel metal coreWill survive 2000°F exhaust temperatures for extended periods
      $15.99
    • (0 reviews)
      # mpn470669250
      Honda Civic 2004, Exhaust Head Flange by Blackworks Racing®. CNC machined 1/2" steel. Blackworks Racing now offers a full line of DIY performance parts to help all your fabrication needs. Our head flanges are CAD designed and...
      High quality at an affordable priceExpertly made from premium materials
      $49.99
    • (1 review)
      # 231143154
      Honda Civic 1.7L 2004, Vibe-Lock Header Bolt Kit by Taylor Cable®. This products is an OEM and Performance company that was built on its founding heritage supported by a tradition of Legendary Quality. Designed utilizing the latest...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $27.14 - $52.55
    • (1 review)
      # 115282539
      Honda Civic 2004, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $40.92 - $369.65
    • (0 reviews)
      # 252658802
      Honda Civic 2004, Replacement Exhaust Kit by AP Exhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch...
      Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape
      $67.24 - $375.62
    • (0 reviews)
      # 231143310
      Honda Civic 2004, Natural Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Finish: Natural. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
      $272.21 - $563.65
    • (0 reviews)
      # mpn1832382
      Honda Civic with Engine Family # 4HNXV01.7WA6 1.7L 2004, CalCat™ Front Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Walker®. Location: Front. Emissions: CARB compliant. Walker offers complete coverage:...
      Constructed to meet your vehicle’s specific emissions requirementsDirect fit design
      $348.63
    • (0 reviews)
      # 231143386
      Honda Civic 2004, Ultra™ Exhaust Manifold with Integrated Catalytic Converter by Walker®. Emissions: EPA compliant. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry leader, for...
      Constructed to meet your vehicle’s specific emissions requirementsDesigned to meet EPA regulations
      $264.42 - $353.03
    • (0 reviews)
      # 271016273
      Honda Civic 2004, Exhaust Manifold with Integrated Catalytic Converter by Bosal®. Includes: Two O2 Sensor Ports. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $269.04 - $431.37
    • (0 reviews)
      # 346396094
      Honda Civic 2004, ECO CARB Front Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Location: Front. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $381.76 - $487.45
    • (0 reviews)
      # mpn1261045
      Honda Civic D17A1 Engine 2004, ECO II Front Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Location: Front. Includes: 1 Inlet Gasket, 1 Outlet Gasket. If you need to replace your failed or damaged...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $287.88
    • (0 reviews)
      # mpn1268386
      Honda Civic 1.3L 2004, ECO III Front Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Location: Front. Includes: 1 Inlet Gasket, 1 Outlet Gasket, Outlet Hardware. If you need to replace your failed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $324.45
    • (0 reviews)
      # mpn1036625161
      Honda Civic 1.7L 2004, Front Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Location: Front. Emissions: EPA compliant. If you need to replace your failed or damaged manifold, this product is the right choice....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $357.07
    • (0 reviews)
      # 231143243
      Honda Civic 2004, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a...
      Direct fitMade from a heavy duty stainless steel outer shell
      $355.57 - $508.37
    • (0 reviews)
      # mpn26595264
      Honda Civic EX Coupe 2004, Exhaust Manifold by Genuine®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      High quality at an affordable priceExpertly made from premium materials
      $231.46
    • (0 reviews)
      # 391763794
      Honda Civic 2004, Direct Fit Exhaust Manifold with Integrated Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. The growing concern for the environment means there is a growing need for quality emission control...
      5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles.
      $312.73 - $375.62
    • (0 reviews)
      # mpn1300970361
      Honda Civic 1.3L 2004, Front Exhaust Manifold with Integrated Catalytic Converter by Davico®. Location: Front. Emissions: EPA compliant. This product by Davico will be a great solution to replace your failed or damaged catalytic...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $233.41
    • (0 reviews)
      # 231299280
      Honda Civic 2004, Stainless Steel Natural Exhaust Manifold with Integrated Catalytic Converter by ATP®. Emissions: EPA compliant. ATP Graywerks Exhaust Manifold-Converters provide a tested and proven solution to repair vehicles...
      Engineered as direct OE replacement ensuring manifold will line up and flow like the original unitHigh grade steel and precious metals resist fatigue and provide long lasting reliable catalyst performance
      $345.04 - $576.65
    • (0 reviews)
      # 504659770
      Honda Civic EX Engine Family Number 4HNXV01.7VA6 2004, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $369.65
    • (1 review)
      # mpn1833636
      Honda Civic Engine Family Number 4HNXV01.7VA6 1.7L 2004, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $148.56
    • (0 reviews)
      # 504633794
      Honda Civic EX 2004, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $235.47
    • (0 reviews)
      # mpn1833653
      Honda Civic EX 2004, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. With O2 Sensor Port. Catalytic...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $92.58
    • (0 reviews)
      # 317040028
      Honda Civic 2004, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $151.27 - $295.52
    • (0 reviews)
      # mpn1569129243
      Honda Civic EX / HX With Federal Emission 2004, Standard Load Catalytic Converter by Bosal®. Emissions: EPA compliant. Converter Configuration: Universal Fit. With Center O2 Sensor Port. Catalytic Converter Overall Length: 11". If...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $102.68
    • (0 reviews)
      # mpn926154450
      Honda Civic Engine Family Number 4HNXV01.73A6 Gas 1.7L VTEC Engine 2004, ECO CARB Undercar Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Position: Rear. With 2 O2 Sensor Ports....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $303.09
    • (0 reviews)
      # mpn1036625183
      Honda Civic Engine Family Number 4HNXV01.73A6 With PC/LTD1 Weight Class Gas 1.7L VTEC Engine 2004, ECO CARB Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Rear....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $85.66
    • (0 reviews)
      # 286263846
      Honda Civic 2004, ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $189.81 - $228.50
    • (0 reviews)
      # 100289906
      Honda Civic 2004, ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall Length: 16". Whether your catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $60.33 - $63.42
    • (0 reviews)
      # 86070308
      Honda Civic 2004, Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made...
      Direct fitMade from a heavy duty stainless steel outer shell
      $264.18 - $469.81
    • (0 reviews)
      # 81398070
      Honda Civic EX 2004, 608 Series Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $80.44 - $92.13
    • (0 reviews)
      # 80140986
      Honda Civic 2004, Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. The growing concern for the environment means there is a growing need for quality emission...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $231.52 - $256.05
    • (0 reviews)
      # 80698539
      Honda Civic 2004, Exhaust Muffler by Ansa®. This premium part is essential for completing a professional exhaust installation. The key a well-functioning vehicle is about purchasing only premium quality parts and hardware. ANSA...
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $70.35 - $149.94
    • (0 reviews)
      # 18139254
      Honda Civic 2004, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler Assembly by Walker®. Muffler Inlet Diameter: 1.75". Muffler Outlet Diameter: 2". Muffler Body Length: 15". Muffler Configuration: Offset - Offset....
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $85.76 - $96.62




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    Popular Products



    2004 Honda Civic Performance Exhaust Systems Reviews

    Average rating:  5  5 - 2 reviews
    4.8 of 5
    Exhaust System
    Great product. Love the noise.
    DPosted by Daniel (Fresno, CA) / July 10, 2016
    2004 Honda Civic
    Was this review helpful for you? Yes
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