Has anyone modified standard back box to improve flow?
03 September 2008, 07:48 PM
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Has anyone modified standard back box to improve flow?
I was wondering if it is possible to modify a standard back box, STi or twin peashooter to improve flow?
Has anyone cut one open to see what is inside?
I notice that the STi 5 box is narrow where the tail pipe exits the box, would opening this out improve the flow?
Thanks for humoring me.
Has anyone cut one open to see what is inside?
I notice that the STi 5 box is narrow where the tail pipe exits the box, would opening this out improve the flow?
Thanks for humoring me.
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