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Old 05-10-2005, 10:08 AM
stylinexpat's Avatar
stylinexpat stylinexpat is offline
Officially Welcomed to the 'Fest
Location: Between California and Asia
Join Date: May 2004
Posts: 18,602
Mein Auto: 2009 M3
These gains possible on an M3 with just

Intake and full exhaust as claimed here...?
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