2003 Toyota Highlander Performance Exhaust Systems

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    • (0 reviews)
      # 79118311
      Toyota Highlander 2003, N1 Evolution Stainless Steel Cat-Back Exhaust System by APEXi®. Tubing Diameter: 2.36". Exhaust Material: Stainless Steel. Rear Section Only. The N1 series muffler has become a staple of the import tuning...
      Ideal for the daily driver car of an enthusiastMade from high-quality materials
      $335.93
    • (0 reviews)
      # 61590531
      Toyota Highlander 3.0L 2003, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant:...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $331.28 - $401.47
    • (0 reviews)
      # 42443935
      Toyota Highlander 2.4L 2003, Direct Fit Federal OEM Grade Catalytic Converter with Header by MagnaFlow®. Catalytic Series: OEM Grade. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $643.66
    • (0 reviews)
      # 61590532
      Toyota Highlander 3.0L 2003, Direct Fit Federal Standard Catalytic Converter by MagnaFlow®. Catalytic Series: Standard. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No....
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $272.44 - $330.59
    • (0 reviews)
      # 42442286
      Toyota Highlander 2.4L 2003, Direct Fit Federal Standard Catalytic Converter with Header by MagnaFlow®. Catalytic Series: Standard. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $486.76
    • (0 reviews)
      # 78901247
      Toyota Highlander 2.4L 2003, Exhaust Manifold Flange by Vibrant Performance®. Thickness: 0.375". Do you want to get more power out of your vehicle? Then this superior Vibrant Performance product is just for you. Carefully designed...
      Made of High Quality MaterialsAvailable in different sizes
      $83.90
    • (0 reviews)
      # 61626829
      Toyota Highlander 2AZFE Engine 2.4L 2003, 0.030" MLS Exhaust Head Gasket by Cometic Gasket®. Compressed Thickness: 0.030". Port Style: Stock. Cometic MLS Gaskets are comprised of multiple layers of stainless steel providing a even...
      Made of High Quality MaterialsBuilt to Last
      $20.75
    • (0 reviews)
      # 115304851
      Toyota Highlander 2003, 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...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $62.14 - $355.32
    • (0 reviews)
      # 17724214
      Toyota Highlander L4 2003, Ultra™ Front Stainless Steel Round Manifold with Integrated Catalytic Converter by Walker®. Location: Front. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $355.32
    • (0 reviews)
      # 16495416
      Toyota Highlander 2.4L 2003, Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Finish: Natural. Material: Stainless Steel. Exhaust Manifold Inlet Port Shape: Round. With Installation Hardware. Bolt Hole Quantity: 2....
      Includes heat-shield for protection of hoses, wiring, and other engine componentsCast iron or stainless tubular construction protects against warping and/or cracking
      $370.84
    • (0 reviews)
      # 158411292
      Toyota Highlander 2.4L 2003, Premium Load Manifold with Integrated Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. Catalytic Series: Premium Load. CARB Compliant: No. If you’re in need of a replacement...
      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
      $372.52
    • (0 reviews)
      # 44752978
      Toyota Highlander 3.0L Manufactured Before July 31 2003, Exhaust Manifold by Genuine®. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and...
      $246.55 - $247.18
    • (0 reviews)
      # 140269427
      Toyota Highlander 2.4L 2003, Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check...
      Direct fitMade from a heavy duty stainless steel outer shell
      $516.60 - $1,104.60
    • (0 reviews)
      # 85235873
      Toyota Highlander V6 2003, CalCat™ Stainless Steel Round Catalytic Converter by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter Configuration: Direct Fit....
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $226.60 - $349.81
    • (0 reviews)
      # 87068808
      Toyota Highlander V6 2003, CalCat™ Stainless Steel Round Catalytic Converter without Air Tube by Walker®. Includes: Installer Card. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant:...
      RIGHT loading of precious metalsThe proper catalyst material and design
      $143.85 - $145.31
    • (0 reviews)
      # 17734581
      Toyota Highlander V6 2003, Ultra™ Stainless Steel Round Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Direct Fit....
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $180.86 - $238.95
    • (0 reviews)
      # 87068809
      Toyota Highlander V6 2003, Ultra™ Stainless Steel Catalytic Converter without Air Tube by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $84.49 - $99.36
    • (0 reviews)
      # 20584387
      Toyota Highlander 3.0L 2003, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. CARB Compliant: No. 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
      $150.84 - $229.63
    • (0 reviews)
      # 88879706
      Toyota Highlander 3.0L 2003, Standard Load Rear Catalytic Converter by Bosal®. Location: Rear. Converter Configuration: Universal Fit. Catalytic Series: Standard Load. CARB Compliant: No. Catalytic Converter Overall Length: 8.75"....
      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
      $86.85
    • (0 reviews)
      # 172077315
      Toyota Highlander 3.0L 2003 Direct Fit Catalytic Converter by Eastern®. Inlet A: 2 Bolt Welded. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $173.48 - $262.06
    • (0 reviews)
      # 17575951
      Toyota Highlander 2.4L 2003 ECO II Direct Fit Driver Side Manifold with Integrated Catalytic Converter by Eastern®. Inlet A: 5 Bolt Welded. Outlet A: 2 Bolt Welded. If you need to replace your failed or damaged manifold, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $380.09
    • (0 reviews)
      # 123198627
      Toyota Highlander 2003 Universal Fit Catalytic Converter by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.90 - $154.25
    • (0 reviews)
      # 86075493
      Toyota Highlander 3.0L 2003, Catalytic Converter and Pipe Assembly 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $271.69 - $557.20
    • (0 reviews)
      # 86066750
      Toyota Highlander 3.0L 2003, Standard Front Catalytic Converter by DEC®. Location: Front. CARB Compliant: No. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without...
      Direct fitMade from a heavy duty stainless steel outer shell
      $190.28
    • (0 reviews)
      # 136720833
      Toyota Highlander 2.4L 2003, Direct Fit Manifold Catalytic Converter by PaceSetter®. CARB Compliant: No. Converter Configuration: Direct Fit. If you want to get the most out of your vehicle, this PaceSetter product is second to...
      Catalytic Converters are a direct replacement for original equipmentEngineered for durability and ease of installation
      $346.36
    • (0 reviews)
      # 18162642
      Toyota Highlander 2003, Quiet-Flow™ Aluminized Steel Oval Muffler Assembly by Walker®. Muffler Series: Quiet-Flow™. Inlet Diameter: 2". Outlet Diameter: 2". Muffler Body Material: Aluminized Steel. Muffler Body Shape: Oval....
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $64.07 - $115.00
    • (0 reviews)
      # 18166592
      Toyota Highlander L4 2003, Stainless Steel Aluminized Round Resonator Assembly by Walker®. Muffler Body Height: 3.5". Muffler Body Width: 3.5". Muffler Body Length: 20". Muffler Body Finish: Aluminized. Muffler Body Shape: Round....
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $69.84
    • (0 reviews)
      # 20584393
      Toyota Highlander 3.0L 2003, Muffler by Bosal®. This muffler is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on...
      Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration
      $110.36
    • (0 reviews)
      # 20584391
      Toyota Highlander 2003, Resonator Assembly by Bosal®. This muffler is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy,...
      Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration
      $58.43 - $99.83
    • (0 reviews)
      # 80702667
      Toyota Highlander 2003, 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 makes...
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $74.19 - $134.19
    • (0 reviews)
      # 18134656
      Toyota Highlander 2003, Aluminized Steel Front Pipe by Walker®. CARB Compliant: No. Material: Aluminized Steel. Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet. With their extensive selection of accessories and hardware for the...
      Made of High Qua;lity Aluminized SteelCorrosion Resistant
      $62.14 - $64.20
    • (0 reviews)
      # 20584395
      Toyota Highlander 2003, Exhaust Pipe by Bosal®. This pipe is engineered to meet OE specs to ensure precise, factory-like fit, performance, and reliability. This part features a direct fit design allowing for ease of installation....
      Stainless or aluminized steel construction for durabilityPrecision-manufactured for easy fitment
      $58.19 - $67.26
    • (0 reviews)
      # 80702664
      Toyota Highlander 2003, Front Exhaust Pipe by Ansa®. Position: Front. This premium part is essential for completing a professional exhaust installation. The key a well-functioning vehicle is about purchasing only premium quality...
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $72.91 - $75.86
    • (1 review)
      # 123330938
      Toyota Highlander L4 2003, Spring Bolt Kit by Walker®. Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet.
      $7.65
    • (2 reviews)
      # 176779722
      Toyota Highlander V6 2003, Spring Bolt Kit by Walker®. Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet.
      $8.12
    • (0 reviews)
      # 89025346
      Toyota Highlander 2003, Exhaust Clamp by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quick and easy. Choose Bosal, and you'll get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.10 - $2.48
    • (2 reviews)
      # 176779724
      Toyota Highlander V6 2003, Heavy Duty Stainless Steel U-Bolt Clamp by Walker®. Material: Stainless Steel. Diameter: 2.25". U-Bolt Diameter: 0.375".
      $2.24
    • (0 reviews)
      # 165388695
      Toyota Highlander 3.0L 2003, Extra Heavy Duty Natural Clamp by AP Exhaust®. Size: 2.375". Finish: Natural. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the...
      Made from first-rate materialsEnsures outstanding durability
      $10.68
    • (0 reviews)
      # 19063150
      Toyota Highlander 2003, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $16.07 - $25.98
    • (0 reviews)
      # 35866338
      Toyota Highlander 2003, Exhaust Manifold Gasket by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      $19.39 - $22.66
    • (0 reviews)
      # 97662776
      Toyota Highlander 3.0L 2003, Exhaust Manifold Gasket by AJUSA®. Gasket Material:Multi-layer Steel. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake plenum, and...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $11.74
    • (0 reviews)
      # 97662868
      Toyota Highlander 2.4L 2003, Exhaust Manifold Gasket Set by AJUSA®. Gasket Material:Multi-layer Steel. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake plenum, and...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $15.35
    • (0 reviews)
      # 24209879
      Toyota Highlander 2003, Exhaust Manifold Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. Material: Multi-Layered Steel. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local...
      $22.77 - $30.66
    • (0 reviews)
      # 24209882
      Toyota Highlander 2003, Exhaust Seal Ring by Victor Reinz®. OEM Standard. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your...
      $4.16 - $14.70
    • (0 reviews)
      # 81880259
      Toyota Highlander 2003, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $12.77 - $20.13
    • (4 reviews)
      # 18144267
      Toyota Highlander 2003, Exhaust Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose...
      Makes installation quick and easyOptimal OE-style fit and quality
      $3.10 - $14.62
    • (1 review)
      # 20584399
      Toyota Highlander 2003, Exhaust Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quick and easy. Choose Bosal, and you'll...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $3.56 - $12.56
    • (0 reviews)
      # 8714024
      Toyota Highlander 2.4L ACU2 Manufactured Before July 2003, Center Exhaust Gasket by Nippon Reinz®. Before Muffler. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put...
      $6.44
    • (0 reviews)
      # 19072710
      Toyota Highlander 2003, Exhaust Pipe Flange Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $4.02 - $14.43
    • (0 reviews)
      # 80702657
      Toyota Highlander 2003, Exhaust Gasket 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....
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $3.32 - $22.95
    • (0 reviews)
      # 7756701
      Toyota Highlander 2003, Exhaust Gasket by HJS®. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before you waste your...
      $3.34 - $9.84
    • (0 reviews)
      # 84263749
      Toyota Highlander 3.0L 2003, Exhaust Manifold Hardware Kit by Dorman®. Finish: Natural Yellow. Material: Steel. Thread Type: Metric Coarse. Bolt Grade: 10.9. Thread Diameter: M10 x 1.5. Fastener Plating: Zinc. Integral Washer...
      Direct replacement for a proper fitBuilt to Last
      $5.96
    • (0 reviews)
      # 31682582
      Toyota Highlander 2.4L 2003, Front Exhaust Manifold Bolt and Spring Kit by Dorman®. Material: Metal. Dog Point Fastener: No. Includes: 2 Bolts and 2 Springs. Exhaust manifold fastener kits provide a time-saving solution for...
      New hardware helps fix exhaust leaksKits include hardware to securely attach the manifold to the exhaust system
      $5.52 - $5.84
    • (0 reviews)
      # 31653851
      Toyota Highlander 3.0L 2003, Front Exhaust Flange Stud and Nut Kit by Dorman®. Material: Metal. Dog Point Fastener: No. Pilot Point Fastener: No. Thread Size: #1: M10-1.25, #2: M10-1.25. Length: 1.57". Quantity: 2 Studs and 2 Nuts....
      Direct replacement for a proper fit every timeDurable steel construction
      $4.78
    • (1 review)
      # 98823256
      Toyota Highlander 2003, Exhaust Installation Kit by Bosal®. Location: Converter and Central Muffler. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $15.55
    • (0 reviews)
      # 80702676
      Toyota Highlander 2003, Spring Bolt Kit 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....
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $9.08 - $22.31
    • (0 reviews)
      # 138487943
      Toyota Highlander L4 2003, Exhaust Nut by Walker®.
      $0.32
    • (0 reviews)
      # 97662915
      Toyota Highlander 3.0L 2003, Exhaust Pipe Flange Gasket by AJUSA®. Gasket Material:Graphite. Position:Front Outlet. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $3.34
    • (0 reviews)
      # 91560836
      Universal Steel Chrome Shielded Side Exhaust System by Patriot Exhaust®. Inlet Diameter: 2". Outlet Diameter: 3". Sold as a pair. Give your vehicle that custom look with our classic shielded side exhaust system. Large inlet and...
      Give your vehicle that custom look with our classic shielded side exhaust system with a show quality chrome finishLarge inlet and outlet pipes with low back pressure six-sided louvered core mufflers
      $255.92 - $296.58
    • (0 reviews)
      # 172361713
      Universal Aluminized Exhaust Tube Kit by Hedman Hedders®. With so many options in today’s automotive customizing world, finding two setups that are the same is rare.
      Made Of High Quality Aluminized Mild SteelMandrel Bent
      $301.11 - $470.73




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      Performance exhaust systems give you improvements in power output, sound levels, and appearance, all in one package. But let's face it: not everyone has the spare change to buy and bolt up one of these kits. So you soldier on with what you have. And that may be a tired-looking exhaust system that is still functional. You've spent all day washing and waxing the vehicle's paint and chrome to perfection, but no degree of elbow grease will make that tailpipe look better.
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      Are Headers Worth The Performance Improvement?
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      Power, Sound, Looks | Can I Have It All With a Cat-Back Exhaust System?
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    2003 Toyota Highlander Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 24 reviews
    5 of 5
    Just What I Needed
    As described and at the right price. Easy, fast delivery. A great buy!
    SPosted by Susan (Smith River, CA) /
    Was this review helpful for you? Yes
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