12-27-2010, 02:24 PM
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#45 (permalink)
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Base Member
Join Date: Jul 2010
Location: Valley Village
Posts: 138
Drives: Scion TC
Rep Power: 15
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^^^ Yup...they're test pipes that have side branch resonators. Heres a link to his site.
Intake/Exhaust Components - MotorDyne Engineering
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