MagnaFlow Street Series crossmember-back exhaust system. Replaces the factory exhaust from behind the front crossmember rearward for freer flow and a deeper, more aggressive tone. See the fitment chart below for exact vehicle applications.
Specifications
| Type | Crossmember-back exhaust system |
| Material | 409 stainless steel, mandrel bent |
| Main Piping | 2.5 in |
| Crossover | X-pipe |
| Mufflers | Dual 4 x 9 x 14 in straight-through, polished stainless |
| Exit Options | Split rear or split side — side exit tailpipe extensions included in the kit |
| Tips | Dual 2.5 in turndown |
| Inlet Connection | Weld-on |
| Warranty | MagnaFlow limited lifetime construction warranty |
| Fitment | Vehicle-specific direct fit — see chart below |
| Part Number | 15165 |
Note: This is a crossmember-back system. It replaces the exhaust from behind the front crossmember rearward and does not include head pipes running forward to the manifolds or headers. The weld-on inlet allows the system to be matched to stock head pipes or to custom head pipes on a header-equipped car.
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1969 | Chevrolet | Impala | Base |
| 1965-1967 | Chevrolet | Impala | SS |
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
