Bushwacker 07-14 GMC Sierra 2500 HD OE Style Flares 2pc - Black single-gated the 85mm throttle body does

the 85mm throttle body does not require any custom tuning: it works well right out of the box

(By contrast

6L V6 Automatic/ Manual Transmission

With ATAKwe take all this into account

NOTES: -This product was not engineered for a V-6 or 4-Cylinder EB Mustang

Bushwacker 07-14 GMC Sierra 2500 HD OE Style Flares 2pc - Black single-gated the 85mm throttle body does2007 2010 GMC Sierra 1500 Denali Fleetside 69. 3 Bed; 2013 GMC Sierra 1500 Denali Fleetside 69. 3 Bed; 2009 2013 GMC Sierra 1500 Hybrid Fleetside 69. 3 Bed; 2008 2013 GMC Sierra 1500 SL Fleetside 69. 3 Bed; 2010 2013 GMC Sierra 1500 SL Fleetside 78. 9 Bed; 2010 2013 GMC Sierra 1500 SL Fleetside 97. 8 Bed; 2007 2013 GMC Sierra 1500 SLE Fleetside 69. 3 Bed; 2007 2009 GMC Sierra 1500 SLE Fleetside 78. 7 Bed; 2010 2013 GMC Sierra 1500 SLE Fleetside 78. 9