MagnaFlow 557304 is a California Grade universal catalytic converter certified under CARB Executive Order D-193-200 and New York approved for legal installation on the listed vehicles. A round clamshell stainless steel body measuring 4.375 x 4 x 9 in houses a ceramic substrate and carries an attached aluminized steel heat shield, with straight 2 in inside diameter inlet and outlet pipe connections and a 13 in overall length. 16 gauge 409 stainless tubing and 308 stainless MIG welds resist corrosion. Installation requires welding; clamps, hangers, and gaskets are not included.
Specifications
| Type | California Grade CARB compliant universal catalytic converter |
| Inlet / Outlet | 2 in ID, straight pipe connection |
| Body | Round clamshell, 4.375 in W x 4 in H x 9 in L |
| Overall Length | 13 in |
| Material | Stainless steel body, 16 gauge 409 stainless tubing, ceramic substrate |
| Heat Shield | Attached, aluminized steel |
| Emissions | CARB Executive Order D-193-200, New York certified |
| Installation | Weld-in; clamps, hangers and gaskets not included |
| Quantity | 1 |
| Part Number | 557304 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2011 | Chevrolet | HHR | LS |
| 2008-2011 | Chevrolet | HHR | LS Panel |
| 2008-2011 | Chevrolet | HHR | LT |
| 2008-2010 | Chevrolet | HHR | LT Panel |
| 2012-2018 | Chevrolet | Sonic | LT |
| 2012-2016 | Chevrolet | Sonic | LTZ |
| 2017-2018 | Chevrolet | Sonic | Premier |
| 2013-2016 | Chevrolet | Sonic | RS |
| 2014-2016 | Kia | Forte Koup | SX |
| 2014-2018 | Kia | Forte5 | SX |
| 2013-2014 | Scion | xD | Base |
| 2007-2012 | Toyota | Yaris | Base |
| 2012-2018 | Toyota | Yaris | L |
| 2012-2018 | Toyota | Yaris | LE |
| 2007-2009 | Toyota | Yaris | S |
| 2012-2018 | Toyota | Yaris | SE |
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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