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Old 12-22-2017, 11:51 AM   #4
sltlytwkd
 
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Name: sltlytwkd
Title: addicted
Status: Not Here
Join Date: Apr 2016
Location: Luxemburg WI
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Posts: 138
I'm running a silver bullet 62 and a s475 with a billet 11 blade wheel. I have the air filter directly on the 75. The only time I hear them at all is around 20-25 psi. It's a nice quiet song. Anything over or under 20-25 psi all I hear is the engine grumble. Even at wot, 75-80 psi they are silent atleast inside the cab anyways. Cruising at 80 mph, I make roughly 20psi with about 7-8 psi from the s475. It's amazing.
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99' dodge 12v swap, 188/220, 5x16s, scheid 12mm pump, 165lb beehives, silver62/475, fuel lab, 47rh swap
03' jetta tdi, gtb2260vk, race 520s, 3" exhaust, 6" tip, Malone tune, 5 speed
94' dodge ppump 24v, 13mm, 6x18s, 200/220, 475/595, aero 1000, PCS, 4r100 swap, 2wd
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