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Seems like there would be a huge market for upgraded DPF that have higher flow rates yet I haven't been able to find anything online. Maintaining emissions compliance and improving performance seems like the best option to me. Complete DPF deleting may give the best gains but losing my warranty on a brand new truck concerns me. Also i'd think a larger/higher flow DPF would improve the exhaust sound as well. What do you guys think? Why aren't there companies making them? You can buy hi flow catalytic converters but not DPFs.
 

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It would most absolutley void the warranty. But not everyone cares about that. just like not all of us care about the fuel milage. I for one will say the mpg this truck gets had 0 influence on my wanting it. I actually wish it had more power even if it got less milage. but, i am in the minority on that one.

Texasram- you wont find a high flow dpf system. you cant make it to do its job, remain emissions compliant and flow freely all at the same time. Im sure it is possible, but would not be worth the cost. There will be egr, dpf and emissions delete's on the market before you know it. There are currently companies woking on that and tuning. But again, you would lose your warranty.
 
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