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      02-11-2013, 12:27 AM   #98
oldsankey
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Drives: 335D
Join Date: Sep 2012
Location: US

Posts: 22
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I had my DPF work and tune done by jrautoelectronics. They're just outside of Toronto. They remove the DPF, hollow it out, install a bypass pipe within, re-weld it shut and then re-install the DPF housing. Much easier to keep all the original sensors and bung holes than it would be to create a new custom down pipe.
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