MagnaFlow CARB-Grade California CARB-compliant universal catalytic converter (5421276) with 2.50in inlet and 2.50in outlet in a straight/angle configuration. Spun-body 409 stainless construction with a single laser-fusion weld provides a compact, low-mass design and a leak-resistant seal; cutting and welding are required to fit. Meets CARB requirements for legal use in California and CARB states on the listed applications.
Specifications
| Type | Universal catalytic converter |
| Grade | California Grade (CARB compliant) |
| Material | 409 stainless steel, spun body |
| Inlet / Outlet | 2.50in / 2.50in (straight/angle) |
| Installation | Cutting and welding required |
| Emissions | CARB compliant — legal in California and CARB states |
| Finish | Stainless |
| Body Type | Spun |
| Inlet Type | Pipe Connection |
| Clamps Included | No |
| Hangers Included | No |
| Legality | 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. |
| Part Number | 5421276 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2010 | BMW | 535i | Base |
| 2009-2010 | BMW | 535i xDrive | Base |
| 2008 | BMW | 535xi | Base |
| 2005 | Mercedes-Benz | CLK320 | Base |
Which vehicles does this fit?
- It fits the BMW 535i 2008-2010, BMW 535i xDrive 2009-2010, BMW 535xi 2008, Mercedes-Benz CLK320 2005. The full year, make, model and submodel list is in the fitment table on this page.
What does installation involve?
- Cutting and welding required.
Is it legal in my state?
- 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.
What is it made of?
- 409 stainless steel, spun body.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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