• Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637 615637 Photo - Primary
  • Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637 615637 Illustration Guide
  • Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637 615637 Photo - Mounted
  • Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637 615637 User 3
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Gibson Performance Exhaust

Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637

Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless 615637

sku: 1QMGK | mpn: 615637
$796.24
$1,319.03 $796.24
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Emissions

This is not an emissions item.
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Gibson Catback 615637 Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 18-21 and 20-22lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty. Cat-Back Single Exhaust System; Stainless Gibson 15-18 GMC Yukon XL SLE 5.3L 2.25in Cat-Back Single Exhaust - Stainless

Vehicle Fitments:

Year Make Model Submodel
2016 - 2019 Chevrolet Suburban HD
2015 - 2020 Chevrolet Suburban LT, LS
2015 - 2016 Chevrolet Suburban LTZ
2017 - 2020 Chevrolet Suburban Premier
2015 - 2020 GMC Yukon XL SLT, Denali, SLE
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