Compression Ignition Addict
Join Date: Dec 2008
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There are no 5" turbo back kits. You can get a 5" Flo-Pro kit with their 4" downpipe as a turbo back kit. I wouldn't do Diamond Eye's turbo back kit. I had rubbing issues with the downpipe and I've read numerous posts on numerous forums about rubbing issues with Diamond Eye's downpipe. The best downpipe out there is Powerstroker67's downpipe. I've ran everything but MBRP's downpipe on my truck and the Powerstroker67 downpipe is the only one that hasn't rubbed. It's great quality, made in America, and you can buy it ceramic coated for heat reduction.
As for the hair dryer sound, it will still be there. You'll never get rid of it completely with stock turbos. The VGT high pressure turbo is the culprit. I had a Flow Monster 5" muffler on my exhaust and that's the closest I've gotten to no hair dryer sound.
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2012 Ford F-250 Lariat CC/SB
Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights