Stainless Works · New
Stainless Works 2003-04 Mercury Marauder Headers 1-5/8in Primaries 2-1/2in High-Flow Cats
MPN MAUCAT · Store SKU sswMAUCAT
Supplier stock checked 11/8/2026, 5:47:40 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
2003-04 Mercury Marauder headers and 2-1/2" catted pipes. 1 5/8" primary tubes with 3" OD collectors. Long tube design makes great power and mid range torque. 3/8" s/s CNC laser cut flanges are port matched to the cylinder head for optimal flow and maximum performance. Designed for use with factory exhaust system. 2003-04 Mercury Marauder headers and 2-1/2" catted pipes. 1 5/8" primary tubes with 3" collectors. 3/8" thick flanges are port matched to the cylinder head for optimal flow and maximum performance. Designed for use with factory exhaust. Stainless Works Headers 1-5/8" With Catted Leads Factory Connect
Manufacturer fitment & guides
Check MAUCAT against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
