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Premium Member
TrailblazerSS
Joined
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2,787 Posts
I don think it is this... This is called blacking outthe headlight housing
 

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LS2 Soccer Mom's Truck
Scion xb...sob sob
Joined
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700 Posts
Just read up on this and I was wondering as anyone actually seen any benefits from this? I just don't want to start chopping up my headlights if there is no benefit to it.
 

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Premium Member
2006 TBSS 3SS
Joined
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17,602 Posts
Whistler mod is headlight cosmetics. The air intake mod behind the headlight is something else. It has to help as it cant hurt but the gains are not noticable in my opinion. But its free so why now. It was a bad design on GMs part to start so this just helps it a little.
 
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