MagnaFlow OEM Grade universal catalytic converter (51775) for Ford Five Hundred + more (1999-2018). It has a 2.25in inlet and outlet. Stainless steel construction with a ceramic substrate for corrosion resistance and long service life. Federal/EPA compliant (not CARB; not legal in CA, CO or NY). Universal design, cutting and welding required to install.
Specifications
| Type | Universal catalytic converter (OEM Grade) |
| Compliance | Federal/EPA compliant (not CARB; not legal in CA, CO or NY) |
| Material | Stainless steel, ceramic substrate |
| Inlet / Outlet | 2.25in / 2.25in |
| Connection | Pipe / weld-on (universal) |
| Quantity | 1 |
| Part Number | 51775 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2008 | Audi | Q7 | Base |
| 2007-2008 | Audi | Q7 | Premium |
| 2007-2010 | Audi | S6 | Base |
| 2008-2009 | BMW | 535i | Base |
| 1999-2003 | BMW | 540i | Base |
| 1999-2001 | BMW | 740i | Base |
| 1999-2001 | BMW | 740iL | Base |
| 2004 | Buick | Rainier | CXL |
| 2004 | Buick | Rainier | CXL Plus |
| 2005-2007 | Ford | Five Hundred | Limited |
| 2005-2006 | Ford | Five Hundred | SE |
| 2005-2007 | Ford | Five Hundred | SEL |
| 2005-2007 | Ford | Freestyle | Limited |
| 2005-2006 | Ford | Freestyle | SE |
| 2005-2007 | Ford | Freestyle | SEL |
| 2007-2009 | Jeep | Wrangler | Rubicon |
| 2007-2009 | Jeep | Wrangler | Sahara |
| 2007-2009 | Jeep | Wrangler | Unlimited Rubicon |
| 2007-2009 | Jeep | Wrangler | Unlimited Sahara |
| 2007-2009 | Jeep | Wrangler | Unlimited X |
| 2007-2009 | Jeep | Wrangler | X |
| 2016-2018 | Mazda | MX-5 Miata | Club |
| 2016-2018 | Mazda | MX-5 Miata | Grand Touring |
| 2017-2018 | Mazda | MX-5 Miata | RF Club |
| 2017-2018 | Mazda | MX-5 Miata | RF Grand Touring |
| 2016-2018 | Mazda | MX-5 Miata | Sport |
| 2005-2007 | Mercury | Montego | Luxury |
| 2005-2007 | Mercury | Montego | Premier |
| 2007 | Volkswagen | Touareg | Base |
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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