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I have a sleuth of Sinister Diesel parts on my 6.0. Their site is easy to navigate, shipping is fast, customer service is what you'd expect from a top tier company, and products are always on point. I highly recommend using Sinister Diesel parts on your F250. You'll never be disappointed!
Tip for consumers:
Use them. You’ll love everything about them.
Products used:
Exhaust Tip, Blue Spring Kit, Turbo Up Pipe and Down Pipe, intake, etc
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Everything was great except a sheet of stickers i ordered were a wadded up mess some were peeled...
I purchased a pair of blue EGR coolers for my 2010 F350. They fit perfectly and look great....
