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Stainless Power 2011-2014 Ford Mustang GT 1-7/8in Headers & 3in Catted X-Pipe (SM12HCATX)

$1,614.05 $1,699.00
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Stainless Power 2011-2014 Ford Mustang GT 1-7/8in Headers & 3in Catted X-Pipe (SM12HCATX)
$1,614.05 $1,699.00
$1,614.05 $1,699.00

Fits 2011-2014 Ford Mustang GT.

Improve exhaust flow and scavenging on your Coyote engine with this Stainless Power long-tube header system. These headers utilize 1-7/8" primary tubes and 3" slip-fit collectors equipped with merge spikes for optimized velocity. The system includes high-flow catalytic converters and a 3" X-pipe with 3" diameter lead pipes, engineered to connect directly to Stainless Works Performance Connect exhausts for a full 3" bolt-on exhaust solution.

Built to withstand high heat and track use, the entire assembly is TIG welded from 304 stainless steel. The 3/8" thick flanges ensure a flat, secure mating surface to the cylinder head to prevent exhaust leaks over time.

  • 1-7/8" primary tube diameter
  • 3" slip-fit collectors with merge spikes
  • 3" X-pipe with high-flow catalytic converters
  • 3" diameter lead pipes
  • TIG-welded 304 stainless steel construction
  • 3/8" thick CNC laser-cut flanges
  • Designed for Stainless Works Performance Connect exhaust systems
  • Manufacturer Part Number: SM12HCATX
🔧 Fitment & Compatibility
Year Make Model Submodel
2011-2014 Ford Mustang GT

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