Details
Product Information
MagnaFlow 51146 is an OEM Grade, Federal / EPA direct-fit front catalytic converter for the 2000-2005 Toyota Celica GT with the 1.8L 1ZZ-FE four-cylinder. It replaces OE parts 17410-22070 and 17410-22380 and bolts in with flanges at both ends. The spun stainless steel body holds a ceramic substrate with two O2 sensor ports, pre and post converter, and the box includes the gaskets, two Torca clamps and OE-sized hangers.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade (Federal / EPA) |
| Position | Front |
| Legality | Not legal for sale or installation in California, Colorado or New York. |
| Body | Spun stainless steel |
| Substrate | Ceramic |
| Inlet / Outlet | Flange / flange |
| Overall Length | 97.5 in |
| O2 Sensor Ports | 2 (pre and post converter) |
| Heat Shield | Not attached |
| What's in the Box |
|
| Interchange |
|
| Fitment Notes | Listed for the Celica GT with the 1.8L L4 (1ZZ-FE) |
| Quantity | 1 |
| Warranty | Limited 5 year / 50,000 mile construction; limited 25,000 mile emissions |
| Part Number | 51146 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000-2005 | Toyota | Celica | GT |
Can I install it in California, Colorado or New York?
No. It is not legal for sale or installation in California, Colorado or New York. It meets Federal / EPA requirements for OBDII vehicles registered elsewhere.
Which converter does it replace?
The front converter on the 2000-2005 Celica GT, OE part numbers 17410-22070 and 17410-22380.
Does it fit the Celica GT-S?
It is listed for the Celica GT with the 1.8L 1ZZ-FE only.
What comes in the box?
The converter, a flat ring gasket, a donut gasket, two Torca clamps and OE-sized hangers. Mounting bolts are not included.
What warranty does it carry?
A limited 5 year / 50,000 mile construction warranty and a limited 25,000 mile emissions warranty.
Can I install it in California, Colorado or New York?
- No. It is not legal for sale or installation in California, Colorado or New York. It meets Federal / EPA requirements for OBDII vehicles registered elsewhere.
Which converter does it replace?
- The front converter on the 2000-2005 Celica GT, OE part numbers 17410-22070 and 17410-22380.
Does it fit the Celica GT-S?
- It is listed for the Celica GT with the 1.8L 1ZZ-FE only.
What comes in the box?
- The converter, a flat ring gasket, a donut gasket, two Torca clamps and OE-sized hangers. Mounting bolts are not included.
What warranty does it carry?
- A limited 5 year / 50,000 mile construction warranty and a limited 25,000 mile emissions warranty.
Shipping
- In stock orders typically 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






