Do Subaru do a standard 3" Backbox ?
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Joined: Oct 2002
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From: Donnington Park
2" 1/2" STI ones are
I dont want it loud it needs to be quiet for trackdays.
Im running an sti8 one at the moment but its holding a little boost back because its mapped for a 3" one.
I dont want it loud it needs to be quiet for trackdays.
Im running an sti8 one at the moment but its holding a little boost back because its mapped for a 3" one.
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