HP Boost?

[wjburken]

Found these while browsing eBay. How much of a HP boost do you think these give?

https://www.ebay.com/itm/2-Car-Part...356337&hash=item33d25c4c61:g:Mh4AAOSwkZxdGX8p

 

[Tonyrodz]

Found these while browsing eBay. How much of a HP boost do you think these give?

View attachment 228491

https://www.ebay.com/itm/2-Car-Parts-Black-Air-Flow-Intake-Vent-Fender-Side-Exterior-Decorative-Stickers/222572596321?fits=Year:2013|Model:Yukon+XL+1500|Submodelenali&epid=629356337&hash=item33d25c4c61:g:Mh4AAOSwkZxdGX8p

-20

 

[wjburken]

-20

-20

You’re being rather generous, don’t you think?

 

[gat0r]

not red, so not much

 

[Rocket Man]

Yrah, paint them red and it will only be -15 no.