Stainless Works
Stainless Works 2011-14 Shelby GT500 Headers 1-7/8in Primaries High-Flow Cats 3in H-Pipe Exhaust System
SKU: sswGT115HCATHP
2011-14 Shelby GT500 1 7/8" headers and lead pipes. Tig welded 304 s/s headers with 3/8" thick flanges and smooth flow collectors. Oval exhaust ports that are an exact match to the factory cylinder head. 3" OD slip joint collectors with merge spikes. Includes 3" dia. lead pipes with high flow metal matrix catalytic converters and H-pipe. Fits factory connection point for use with factory or Stainless Works exhaust.
Shipping ETA may vary. Call or message for specific timing.
Overview
2011-14 Shelby GT500 1 7/8" headers and lead pipes. Tig welded 304 s/s headers with 3/8" thick flanges and smooth flow collectors. Oval exhaust ports that are an exact match to the factory cylinder head. 3" OD slip joint collectors with merge spikes. Includes 3" dia. lead pipes with high flow metal matrix catalytic converters and H-pipe. Fits factory connection point for use with factory or Stainless Works exhaust.
Similar Items
Fitment notes (catalog)
2011 thru 2014 Ford Mustang Shelby GT500 5.4L & 5.8L
Summarized compatible vehicles also appear under Description → Fitment.
Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.