That extra pipe is definitely a Helmholtz chamber. A really good design at that.
And Jason is a spammer. Talking down the TRD exhaust in a TRD exhaust thread with baseless claims, while not addressing the poor quality complaints about the Gibson exhaust he sells? lol
Vendor sponsors gon' vendor sponse....
And Jason is a spammer. Talking down the TRD exhaust in a TRD exhaust thread with baseless claims, while not addressing the poor quality complaints about the Gibson exhaust he sells? lol
Vendor sponsors gon' vendor sponse....