2004 Scion xB Performance Exhaust Systems

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    • (1 review)
      # 20206689
      Scion xB 2004, Street Series™ Stainless Steel Single Cat-Back Exhaust System with Double Wall Round Tip by MagnaFlow®. Finish: Stainless. Exhaust Inlet Connection Type: Clamp On. Exhaust Pipe Material: Stainless Steel. Exit...
      Moderate SoundDelivers More Horsepower
      $661.19
    • (0 reviews)
      # 11019610
      Scion xB 2004, Single Canister™ 304 SS Axle-Back Exhaust System by DC Sports®. Finish: Polished. Exhaust Pipe Material: 304 SS. Exhaust Type: Axle-Back. DC Sports exhaust systems are CNC Mandrel bent from T304 stainless steel,...
      Individually tuned and dyno-tested for maximum performanceUses factory mounting locations for ease of installation and solid hangers for added durability
      $273.06
    • (0 reviews)
      # 132242882
      Scion xB 2004, WS2 Mild Steel Cat-Back Exhaust System by APEXi®. Exhaust Pipe Material: Mild Steel. Exhaust Type: Cat-Back. Main Piping Diameter: 2.55". The WS Exhaust series is the A'PEX answer to the ultimate street muffler...
      Designed to boost your vehicle's performanceProvides excellent low and mid range power without excessive noise
      $378.53
    • (1 review)
      # 290298
      Scion xB 2004, 1-Pc 4-2-1 Stainless Steel Street Header by Weapon-R®. Let your engine breathe on the exhaust side. This header will increase horsepower and torque.
      $276.00
    • (0 reviews)
      # 11019647
      Scion xB 2004, Ceramic Coated Stainless Steel 4-1 Exhaust Header by DC Sports®. 1 Pc. In 1987, American Honda commissioned DC Sports to develop a header for SCCA-prepped CRXs. What culminated was our first 4-into-1 header design,...
      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
      $273.44
    • (0 reviews)
      # 22197388
      Scion xB with LEV1 LEV Specification 2004, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $411.43
    • (0 reviews)
      # 22199167
      Scion xB 2004, 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: No. Converter...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $352.58
    • (0 reviews)
      # 22198733
      Scion xB 2004, 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...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $293.75
    • (0 reviews)
      # 115298469
      Scion xB 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...
      Direct fit replacementIncludes all applicable flanges, hangers, and sensor fittings
      $41.61 - $294.27
    • (0 reviews)
      # 157431304
      Scion xB 2004, Replacement Exhaust Kit by Bosal®. 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 materials, this...
      Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape
      $60.47 - $196.85
    • (0 reviews)
      # 34109242
      Scion xB 2004, Inline Exhaust Manifold by Dorman®. Finish: Natural. Material: Stainless Steel. Exhaust Manifold Inlet Port Shape: Round. Flange Bolt Hole Quantity: 0. Flange Stud Hole Quantity: 2. Heat Shield Included: No. With...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $116.95
    • (0 reviews)
      # 17742415
      Scion xB 2004, CalCat™ Stainless Steel Round Catalytic Converter by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter Configuration: Direct Fit. Converter Body...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $294.27
    • (0 reviews)
      # 88067075
      Scion xB 2004, CalCat™ Stainless Steel Round Catalytic Converter without Air Tube by Walker®. Includes: Warranty Card. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $148.72
    • (0 reviews)
      # 17743763
      Scion xB 2004, Ultra™ Stainless Steel Round Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Direct Fit. Converter Body...
      Emission Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)
      $218.04
    • (0 reviews)
      # 88067076
      Scion xB 2004, Ultra™ Stainless Steel Round Catalytic Converter without Air Tube by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit....
      Emission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Comply with specific pre-OBDII and OBDII requirements in the state of California
      $82.85
    • (0 reviews)
      # 88880475
      Scion xB 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
      $196.85 - $266.86
    • (0 reviews)
      # 88879682
      Scion xB 2004, Premium Load Catalytic Converter by Bosal®. Converter Configuration: Universal Fit. Catalytic Series: Premium Load. CARB Compliant: No. Catalytic Converter Overall Length: 8.75". 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
      $99.53
    • (0 reviews)
      # 172052740
      Scion xB 2004, Direct Fit Catalytic Converter by Eastern®. Inlet A: 2 Bolt Welded. Outlet A: 1.68". Overall Length: 79". 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
      $244.40 - $311.18
    • (0 reviews)
      # 172052748
      Scion xB 2004, Universal Fit Round 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
      $66.01 - $155.63
    • (0 reviews)
      # 159553439
      Scion xB 2004, Premium Load Catalytic Converter by DEC®. CARB Compliant: No. 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
      $808.79
    • (0 reviews)
      # 18163893
      Scion xB 2004, Quiet-Flow™ Stainless Steel Round Muffler Assembly by Walker®. Muffler Series: Quiet-Flow™. Inlet Diameter: 2.5". Outlet Diameter: 1.75". Muffler Body Height: 7". Muffler Body Width: 7". Muffler Body Length: 16"....
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $76.09
    • (0 reviews)
      # 18166541
      Scion xB 2004, 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. CARB...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $41.61
    • (0 reviews)
      # 20552948
      Scion xB 2004, Center Resonator Assembly by Bosal®. Location: Center. 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...
      Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration
      $60.47
    • (0 reviews)
      # 88881096
      Scion xB 2004, Muffler by Bosal®. Location: Rear. 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
      $76.96
    • (0 reviews)
      # 80695599
      Scion xB 2004, Rear Muffler by Ansa®. Position: Rear. 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...
      Engineered to provide excellent exhaust system managementBuilt to the strict quality standards
      $91.95
    • (1 review)
      # 123329972
      Scion xB 2004, Spring Bolt Kit by Walker®. Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do...
      Makes installation quick and easyOptimal OE-style fit and quality
      $7.57
    • (1 review)
      # 123329969
      Scion xB 2004, Heavy Duty Stainless Steel U-Bolt Clamp by Walker®. Material: Stainless Steel. Diameter: 2". U-Bolt Diameter: 0.375". With their extensive selection of accessories and hardware for the exhaust system, Walker will...
      Makes installation quick and easyOptimal OE-style fit and quality
      $2.05
    • (0 reviews)
      # 18128858
      Scion xB 2004, Stainless Steel V-Band Clamp by Walker®. Material: Stainless Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete...
      Makes installation quick and easyOptimal OE-style fit and quality
      $9.50 - $26.07
    • (0 reviews)
      # 95029562
      Scion xB 2004, Center Rubber Mounting by Bosal®. Location: Center. 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,...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $4.78
    • (0 reviews)
      # 95034485
      Scion xB 2004, 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 OE-quality...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.03 - $16.15
    • (0 reviews)
      # 167494801
      Scion xB 2004, Exhaust Rubber Mount 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
      $4.64 - $21.73
    • (0 reviews)
      # 19064002
      Scion xB 2004, 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 gaskets...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $9.90
    • (0 reviews)
      # 97663746
      Scion xB 2004, 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 exhaust...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $11.47
    • (0 reviews)
      # 24206264
      Scion xB 2004, Exhaust Seal Ring by Victor Reinz®, Use 1 per Car. 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...
      OE quality fluids from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $5.80 - $11.04
    • (1 review)
      # 18143506
      Scion xB 2004, High Temperature Graphite with Wire Mesh Core Donut Exhaust Gasket by Walker®. Material: High Temperature Graphite with Wire Mesh Core. With their extensive selection of accessories and hardware for the exhaust...
      Makes installation quick and easyOptimal OE-style fit and quality
      $4.63 - $8.13
    • (0 reviews)
      # 72876875
      Scion xB 2004, 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 get...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $9.04 - $15.18
    • (0 reviews)
      # 19072008
      Scion xB 2004, 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 gaskets...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $5.74 - $10.77
    • (0 reviews)
      # 138487922
      Scion xB 2004, Exhaust Nut 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 Walker...
      Makes installation quick and easyOptimal OE-style fit and quality
      $0.32
    • (0 reviews)
      # 98823269
      Scion xB 2004, Exhaust Installation Kit by Bosal®. Location: Converter Inlet. 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....
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $14.98
    • (0 reviews)
      # 59340841
      Scion xB 2004, Classic™ Stainless Steel Cat-Back Exhaust System by Thermal R&D®. Exhaust Pipe Material: Stainless Steel. Exhaust Type: Cat-Back. This Thermal R&D product is just the option for you in case you want to get the most...
      Designed to boost your vehicle's performanceMade from high-quality materials
      $421.54
    • (0 reviews)
      # 158040770
      Scion xB 2004, 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 to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $7.78
    • (0 reviews)
      # 91560836
      Universal Steel Chrome Shielded Side Exhaust System by Patriot Exhaust®. Exhaust Pipe Material: Steel. Main Piping Diameter: 2". 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
      $254.65 - $294.31
    • (0 reviews)
      # 193552081
      Universal Spec II™ Stainless Steel Inner Silencer by Buddy Club®. Developed strictly for competition use the Buddy Club Racing Spec II exhaust system is the pinnacle of all competition exhaust systems available today. A racing...
      Specially designed system for competition use onlyIncrease of exhaust gas velocity in order to improve efficiency
      $40.00
    • (0 reviews)
      # 139245596
      Universal Super Competition™ Weld-Up Race Kit by Hooker®. Series: Super Competition™. Hooker Weld-up kits work great for racers who need to build custom headers when a specific fit tuned Super Competition header is not...
      Mandrel Bent 1 pc. PrimariesSS NHRA Contingency ID Header Tags
      $270.95 - $529.95
    • (0 reviews)
      # mpn358949929
      Universal 3 1/2" Chrome Lake Pipes by Patriot Exhaust®, Sold as a Pair. Includes Muffler, Brackets. Side Pipe made from Steel. Chrome Lake Pipes 63". Show quality chrome Lake Pipe 4 kits connect to headers or stock exhaust system...
      The look of an expensive tuned header side pipe at a fraction of the costSide pipes come with built-in six sided louvered cored mufflers which absorb sound not horsepower
      $339.21
    • (6 reviews)
      # 120105855
      Universal 200 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 200 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $116.53 - $204.95
    • (5 reviews)
      # 120105826
      Universal 220 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 220 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $64.66 - $68.56
    • (5 reviews)
      # 120105830
      Universal 222 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 222 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $67.12
    • (1 review)
      # 120105834
      Universal 223 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 223 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $73.86
    • (1 review)
      # 120105838
      Universal 225 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 225 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $68.02 - $71.98
    • (6 reviews)
      # 120105843
      Universal 240 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 240 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $129.60 - $144.93
    • (5 reviews)
      # 120105847
      Universal 250 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 250 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $130.99 - $147.34
    • (0 reviews)
      # mpn886220
      Universal 260 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 260 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $247.74
    • (6 reviews)
      # 120105859
      Universal 282 Series OBDII Stainless Steel Catalytic Converter by Flowmaster®. Catalytic Series: 282 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $102.20 - $142.92
    • (1 review)
      # 120105876
      Universal 283 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 283 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $103.95 - $127.74
    • (1 review)
      # 120105881
      Universal 284 Series OBDII Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 284 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $187.88
    • (5 reviews)
      # 120105850
      Universal 290 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 290 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $108.66 - $128.44
    • (0 reviews)
      # mpn918025
      Universal 3512 Series OBDII Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 3512 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless...
      Exceed all federal emission standardsStainless Steel shells
      $163.39
    • (1 review)
      # 120105898
      Universal 3588 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 3588 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $186.54
    • (1 review)
      # 120105903
      Universal 3589 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 3589 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new...
      Exceed all federal emission standardsStainless Steel shells
      $205.76 - $324.05




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    2004 Scion xB Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 1 review
    4.5 of 5
    Great Improvement Overstock
    This product looks great and appears to be manufactured with the highest quality materials. The exhaust sounds great and appears to have given me a more consistent power band through acceleration. Installation - I did have to make some minor adjustments but all in all fits well.
    MPosted by Michael (Sanford, FL) /
    2006 Scion xB
    Was this review helpful for you? Yes
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