Stainless Works
Stainless Works SP Ford Mustang GT 2015-17 Headers 1-7/8in Catted Aftermarket Connect
SKU: S00K SM15H3CATLG
Description
Part #: SM15H3CATLG
2015-18 Mustang GT 5.0L long-tube headers. Unholy Union. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-7/8" diameter primaries, 3" slip-fit collectors with merge spike, then fitting into 3" high-flow cats. Extended leads are built to fit MBRP and Corsa as well as SW Factory cat-back systems. The ultimate freedom in aftermarket connections! Mill finish, All TIG welded for strength and durability. These kits come with a 24-month warranty.
2015-18 Stainless Power Mustang GT headers with 1-7/8" primary tubes, 3" diameter lead pipes and high flow catalytic converters designed to connect to an Unholy Union.
Fitment
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Specifications
| Brand | Stainless Works |
| Part Number | S00K SM15H3CATLG |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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