MagnaFlow's OEM Grade direct-fit catalytic converter drops into the factory location with no cutting or welding. The spun body uses 16 gauge 409 stainless steel tubing, 308 stainless MIG welds and a single laser fusion weld that reduces leak paths, while mandrel-bent tubing preserves OE exhaust geometry. A dual inlet, dual outlet layout at 3 in each carries both banks through one 27.375 in assembly. OE-sized 410 stainless barbed hangers, Torca AccuSeal clamps and gaskets are included in the box, and the converter meets Federal EPA requirements while interchanging with OE parts 25958404, 25958405, 25958406 and 25958407.
Specifications
| Type | Direct-fit catalytic converter, spun body (OEM Grade) |
| Position | Dual inlet / dual outlet, single unit covering both banks |
| Material | 16 gauge 409 stainless steel tubing, 308 stainless MIG welds, 410 stainless hangers |
| Inlet Diameter | 3 in |
| Outlet Diameter | 3 in |
| Overall Length | 27.375 in |
| Emissions | Federal / EPA compliant (not legal in California, Colorado or New York) |
| Included Hardware | Torca AccuSeal clamps, gaskets and mounting hardware |
| OEM Replacement | 25958404, 25958405, 25958406, 25958407 |
| Quantity | 1 |
| Part Number | 23-053 |
Documents: Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2013 | Chevrolet | Corvette | Base |
| 2012-2013,2017-2019 | Chevrolet | Corvette | Grand Sport |
| 2014-2019 | Chevrolet | Corvette | Stingray |
| 2015-2019 | Chevrolet | Corvette | Z06 |
| 2012-2013,2019 | Chevrolet | Corvette | ZR1 |
| 1988-1990 | Toyota | Celica | All Trac |
| 1988-1989 | Toyota | Celica | GT |
| 1988-1989 | Toyota | Celica | GTS |
| 1988-1989 | Toyota | Celica | ST |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- 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-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
