Prodrive backbox details
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Prodrive backbox details
Gents, is the Prodrive backbox muffler a baffled or freeflow type? What is the inlet pipe diameter of it?
Also is this different from the UK STI backbox, I believe the STI backbox is the baffled type but is the inlet diameter 2 1/4" inches or larger?
Also is this different from the UK STI backbox, I believe the STI backbox is the baffled type but is the inlet diameter 2 1/4" inches or larger?
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