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Catalytic Converter for 2003 Land Rover Discovery

We have 14 Items In-stock. Select your vehicle's Submodel to continue.

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$111.97 $144.90 You Save $32.93 (23%)
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Availability: In Stock
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  • Sku#: M6699005HM
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Dimensions: 12 in. L x 6.5 in. W, 16 in. overall length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
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Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow 49-State Legal Direct Fit Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal direct-fit catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Direct Fit Catalytic Converter - Traditional Converter, Direct Fit

Overstock
$573.98 $742.80 You Save $168.82 (23%)
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Availability: In Stock
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  • Sku#: M6693689
  • Series: Magnaflow 49-State Direct Fit
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Dimensions: 12 in. body length
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow OEM Grade (49-State Legal) Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting the California emissions standards (see item details for more information)
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow OEM Grade (49-State) Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$136.20 $176.25 You Save $40.05 (23%)
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Availability: In Stock
(more)
  • Sku#: M6651005
  • Series: Magnaflow OEM Grade (49-State) Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow California Legal Semi-Universal Catalytic Converter

  • 50-State/California Legal
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These semi-universal 50-State Legal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 50-State Semi-Universal Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

Overstock
$293.00 $379.17 You Save $86.17 (23%)
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Availability: In Stock
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  • Sku#: M66455005
  • Location: Driver Or Passenger Side
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-115
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
  • Notes: Inlet/Outlet Size : 2.25in. I.D.
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow 50-State Semi-Universal Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

Overstock
$293.00 $379.17 You Save $86.17 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M66455004
  • Location: Driver Or Passenger Side
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-115
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
  • Notes: Inlet/Outlet Size : 2in. I.D.
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow 50-State Semi-Universal Driver Or Passenger Side Catalytic Converter - Traditional Converter, Semi-Universal

Overstock
$293.00 $379.17 You Save $86.17 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M66455006
  • Location: Driver Or Passenger Side
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-115
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
  • Notes: Inlet/Outlet Size : 2.5in. I.D.
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

Magnaflow OEM Grade (49-State Legal) Direct Fit Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Designed for vehicles equipped with California emissions but not registered or driven in a state adopting the California emissions standards (see item details for more information)
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal direct-fit catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow OEM Grade (49-State) Direct Fit Catalytic Converter - Traditional Converter, Direct Fit

Overstock
$621.04 $803.70 You Save $182.66 (23%)
Add to Cart
Availability: In Stock
(more)
  • Sku#: M6649720
  • Series: Magnaflow OEM Grade (49-State) Direct Fit
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 2003 Land Rover Discovery Submodels

  • 8 Cyl 4.6L | HSE, S, SE
See more

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