Have borla atak on my l99. I don't notice any drone maybe alittle around 1800-2000rpms on the highway but not bad at all. Barely noticeable
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[2011 Camaro 2ss L99
-OEM Painted GFX
-Borla Atak axle back
-Stainless Power headers
-Cold Air Inductions Intake
-Blue oracle halos
-Satin black ZL1 replicas
-315 invos and other cosmetic mods
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