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Borla and Headers W/ Dynatech Vortex Cone.

4557 Views 4 Replies 3 Participants Last post by  415_300C
What do you guys think about the DynaTech Vortex Insert Cone to reduce sound in the muffler? Has anybody used it before? Is there much of a HP/TQ decrease.

This is what I am talking about.
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Has anybody use this cone that you install into the muffler?
i'd like proof that it doesn't decrease HP, i've put a silencer in my STis exhaust and there was a VERY noticealbe difference in power... who knows, may be this one is designed differnently.
The header collector would have to be designed to use them from the start. Have some to go into a harley Meg exhaust. but I needed the backpressure. They would only hurt the HEMI unless you were running open exhaust.
good point dixie, my exhaust is full and completely open (not the c), hence the severe loss of power...
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