aFe Twisted Steel Header SS-409 HDR Jeep Wrangler YJ 91-99 I6-4.0L
The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2" thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA.
- Retains All OE Emission Components
- Optimized Primary Tube Lengths
- Limited Lifetime Warranty
- Pulse Control Technology
- TIG Welded Construction
- CNC Mandrel Bends
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1993 | Jeep | Cherokee | Base |
| 1991-1992 | Jeep | Cherokee | Briarwood |
| 1996,1998-1999 | Jeep | Cherokee | Classic |
| 1993-1997 | Jeep | Cherokee | Country |
| 1991-1992 | Jeep | Cherokee | Laredo |
| 1991-1992,1998-1999 | Jeep | Cherokee | Limited |
| 1994-1999 | Jeep | Cherokee | SE |
| 1991-1999 | Jeep | Cherokee | Sport |
| 1991-1992 | Jeep | Comanche | Base |
| 1991-1992 | Jeep | Comanche | Eliminator |
| 1991-1992 | Jeep | Comanche | Pioneer |
| 1993 | Jeep | Grand Cherokee | Base |
| 1993-1998 | Jeep | Grand Cherokee | Laredo |
| 1993-1998 | Jeep | Grand Cherokee | Limited |
| 1995,1997 | Jeep | Grand Cherokee | Orvis |
| 1994-1995 | Jeep | Grand Cherokee | SE |
| 1997-1998 | Jeep | Grand Cherokee | TSi |
| 1991-1993 | Jeep | Wrangler | Base |
| 1991-1992 | Jeep | Wrangler | Islander |
| 1991-1994 | Jeep | Wrangler | Renegade |
| 1991-1995,1997-1999 | Jeep | Wrangler | Sahara |
| 1994-1995 | Jeep | Wrangler | SE |
| 1997-1999 | Jeep | Wrangler | Sport |
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.