os1kne
Active Member
- Joined
- April 14, 2001
- Messages
- 98
- Reaction score
- 0
- City, State
- Dallas, TX
- Year, Model & Trim Level
- 1999 XLT
What type of HP/MPG gains can one typically expect from replacing the stock headers/exhaust manifolds of a 1999 5.0 with a quality aftermarket set of headers?
Thank you.
Thank you.
