Fender Flares | Defender | GMC Sierra 2500 HD/Sierra 3500 HD 2WD/4WD (20-24) LLY Duramax " and it meets or exceeds

and it meets or exceeds all OE specs so you can reliably get your truck running like new again in no time

The merged runner design reduces exhaust backpressure

With the plug and play feature

The PhatShaft utilizes the 65mm turbine wheel and is available in a 12cm or 14 cm exhaust housing in which we modify the angle of the exhaust nozzle

Part Number: FPE-SF-CUMM-1121

Fender Flares | Defender | GMC Sierra 2500 HD/Sierra 3500 HD 2WD/4WD (20-24) LLY Duramax " and it meets or exceedsInnovative Design. Its time to stand out from the crowd and rise above your peers. Increase your truck's tire coverage with Rough Country's Defender Flares for the fifth generation GMC Sierra 2500HD 3500HD. These aggressively good looking flares transform your GMC's exterior boasting 2 inches of tire coverage. These uniquely designed flares are sure to protect your GMC's body from mud or road debris kicked up by the tires.\Durable Construction. With