Stainless Works 2003-04 Mercury Marauder Headers 1-5/8in Primaries 3in Collectors MAUHDR

Stainless Works Headers & Manifolds MAUHDR 2003-04 Mercury Marauder headers only (no lead pipes). 1 5/8" primary tubes with 3" OD collectors-headers only. Long tube design makes great power and mid range torque. 3/8" SS CNC laser cut flanges are port matched to the cylinder head for optimal flow and maximum performance. Fits up directly with Stainless Works exhaust systems P/N "MAUEX" or "MAUEX-CAT". 304 stainless steel, 1-5/8" primaries, 3" collectors 2003-04 Mercury Marauder headers only (no lead pipes). 1 5/8" primary tubes with 3" OD collectors. 3/8" thick port-matched flanges. Fits up directly with Stainless Works exhaust systems P/N "MAUEX" or "MAUEX-CAT". Exhaust System