How loud is the Powerdyne BD-11 supercharger

[TT91]

its belt driven, very quiet..

 

[undercover50]

Would I be able to hear it outside the car on a 1989 5.0 thanxs 7psi.

 

[Thomas302]

My friend has a powerdyne BD-11A on his 93 coupe, and it is quiet, to quiet. You can barely here it outside the car with the hood down. I believe they are belt driven instead of gear driven which makes them quiet like that. But thats good if you going for the sleeper look.

 

[BlackFox5.0]

They are belt driven, so they are quiet.

Straight cut gears, like V-1 Vortechs make noise.

 

[TheUser]

the actual mechanics of them are quiet, but there was a noticable whistle as well...very cool.

I have one for sale...PM me and we'll talk

 

[bln92cpe]

my s trim is really loud and i love it.