Collection: 2014-2018 GMC Sierra 1500 Best Sellers

Fitment verified for the 2014-2018 GMC Sierra 1500 across SLE, SLT, Denali, and All Terrain trims on the K2XX platform. This collection covers the 4.3L V6 and 5.3L/6.2L EcoTec3 V8 with proven upgrades: Bilstein 5100 leveling struts, Borla cat-back exhausts, aFe POWER intakes, and AlphaRex LED headlights.

What should I install first on a stock Sierra 1500? Start with a Bilstein 5100 leveling kit to eliminate the 2-inch factory rake before stepping up to larger tires, then add a Borla exhaust and aFe intake to wake up the EcoTec3.

If it is listed here, it bolts to your Sierra -- guaranteed.