GMC Yukon Performance Exhaust - Stainless Works - 1-7/8in Primaries High-Flow Cats X-Pipe - `15-`20. This complete header and X-pipe assembly is built for 2015–2020 Chevy Tahoe and GMC Yukon (including XL) with 5.3L and 6.2L engines, offering a durable, performance-focused replacement for factory manifolds and mid-section piping.

Stainless Works designed this system with CNC-mandrel bent 1-7/8" primary tubes flowing into 3" slip-fit collectors and high-flow catalytic converters. The catted leads flow into 3" lead pipes and merge into an X-pipe for improved scavenging and a straightforward connection to Stainless Works catback systems. Constructed from 304 stainless steel and TIG welded in Streetsboro, Ohio, the kit includes provisions for O2 sensors and comes with a lifetime warranty on materials and craftsmanship.

Features

• Fits 2015–2020 Chevy Tahoe / GMC Yukon & Yukon XL — 5.3L and 6.2L
• 1-7/8" CNC mandrel-bent primaries into 3" slip-fit collectors
• High-flow catalytic converters with 3" catted leads and X-pipe
• 304 stainless steel construction, TIG welded
• Performance-connect design to Stainless Works catbacks; includes O2 bung locations
• Made in the USA — lifetime warranty on materials and workmanship

This package is aimed at enthusiasts who want durable, well-engineered hardware that improves flow and pairs with performance exhaust systems. If you have questions about fitment, installation, or pairing it with a cat-back, call us directly — we’re happy to help. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call: 512-982-9393 (TX) or 562-981-6800 (CA).

If you are considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov