ANZO USA Black Replacement Full LED Bar Tail Light for 19-23 GMC Sierra 1500/2500HD/3500HD (311459) 1807 Increase exhaust flow from the

Increase exhaust flow from the headers to the mufflers and improving power and sound

Missing some of that glorious V12 sound you were expecting

rburgring and in own test centre at the Papenburg test track

Air goes directly from the turbocharger outlet to the intercoolerand then to the throttle body

ANZO USA Black Replacement Full LED Bar Tail Light for 19-23 GMC Sierra 1500/2500HD/3500HD (311459) 1807 Increase exhaust flow from theWith over 35 years of professional manufacturing experience, AnzoUSA surpasses the competition in quality, innovative styling, and product offerings. All AnzoUSA LED tail lights are 100 Percent street legal, and manufactured to the highest standards. Features: Guaranteed To Improve Your Vehicles Appearance Every AnzoUSA product is backed by a ONE YEAR WARRANTY against manufacturer defects. Rigorously Tested For Fit And Function Simple Plug And Play 1