2003-04 Mercury Marauder long tube header kit. Upgrade your ride today with a bolt-on long tube header kit from Stainless Works. Featuring 1-5/8" primary tubes with 3" collectors with an integrated merge spike. Long tube design makes great power and mid range torque. 3/8" stainless steel CNC laser cut flanges are port matched to the cylinder head for optimal flow and maximum performance.
- 1-5/8" Primary Tubes
- High-Flow Cats
- 304 Stainless Steel TIG Welds
- Lifetime Warranty