blackout11
Senior Member
- Joined
- May 23, 2011
- Posts
- 4,000
- Reaction score
- 453
- Location
- alpharetts GA
- Ram Year
- 2011 R/T
- Engine
- hemi 5.7
What whistle i have one on mine and only thing it does when i get on it is growl like a pissed off bear
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id say right around 2000 and 2500 you can really hear it whistle almost like a turbo thats the best way of explaining