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Stainless Works
Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Performance Connect
SKU: S00K CT220HSTCAT
Moderate — 2–4 hours
Description
Part #: CT220HSTCAT
Upgrade to Long Tube headers on your 2020-21 Chevy Silverado or GMC Sierra HD with this system from Stainless Works. Unleash that 6.6L motor with 1-7/8" primaries that flow into a 3" collector with an integrated merge spike. This system comes with high flow cats and an X-pipe for a simple bolt-on install.
Headers - Long Tube - 1-7/8 in Primary - 3 in Collector - Catted - X-Pipe Included - Stainless - GM GenV LT-Series - Natural - GM Fullsize Truck 2020-21 - Kit
MIA's Description
Fitment
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Specifications
| Brand | Stainless Works |
| Part Number | S00K CT220HSTCAT |
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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