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  • MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
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MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
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MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859

Exhaust, Mufflers & Tips Catalytic Converter Direct Fit
Magnaflow
mag452859
Special order
September 20, 2026
$1,122.02 $1,373.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452859. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2005-2006 Mini Cooper 1.6L. MagnaFlow 452859 includes (2) Flange Gaskets and interchanges with OE parts 18 40 7 508 121, 18 40 7 520 281, 18 40 7 525 274, 18 40 7 533 402, 18 40 7 539 134, 18 40 7 563 437, 18 40 7 563 439, 18 40 7 566 102. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and...
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MagnaFlow Direct Fit Catalytic Converter 02-06 Cooper/S Manifold - 452859
SKU: mag452859
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452859. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2005-2006 Mini Cooper 1.6L. MagnaFlow 452859 includes (2) Flange Gaskets and interchanges with OE parts 18 40 7 508 121, 18 40 7 520 281, 18 40 7 525 274, 18 40 7 533 402, 18 40 7 539 134, 18 40 7 563 437, 18 40 7 563 439, 18 40 7 566 102. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Legal For Sale In All 50 States Including California, Colorado, New York and Maine. Installation is permitted only if the vehicle’s Executive Order number and Engine Family Number appear in this converter’s CARB Executive Order.

Designed to meet California emissions standards; as well of those of other CARB-regulated states.

Features & Benefits

  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
  • Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
  • Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
  • Durable 308 stainless steel MIG welds
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Shipping on new purchases

In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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