Stainless Works 20-21 Ford F-250/F-350 7.3L Headers 1-7/8in Primaries 3in Collectors High Flow Cats 1984-honda-civic-esi7968912 Eliminates the primary resonator for

Eliminates the primary resonator for improved exhaust flow and improved sound

This pre-filter is made of a dry weave fabric that does not attract dirt and cleans with soap and water

Fits 1964-1970 Chevrolet 8

Replaces OE 3241062 / 3241430 / 4006495

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Stainless Works 20-21 Ford F-250/F-350 7.3L Headers 1-7/8in Primaries 3in Collectors High Flow Cats 1984-honda-civic-esi7968912 Eliminates the primary resonator for20+ Ford F 250 and F 350 7. 3L headers with 1 7 8" dia. primaries and 3" slip fit collectors with merge spikes. Includes 3" lead pipes, hi flow metal matrix catalytic converters. Connects to OEM or Stainless Works catback systems for a full performance exhaust.