New exhaust...sluggish? - Ford Powerstroke Diesel Forum
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Old 02-27-2011, 08:10 PM
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New exhaust...sluggish?

Ok i have a bone stock 06 f350 and today i put on a 4' turbo back no cat mbrp exhaust system. Call me crazy but i feel like my truck is a little slower after putting it on? I mean it sounds like a 747 which i love!!!! but i feel like I have a slight power loss.... maybe its all in my head but i was wondering if anyone could make some sense of this. Im pretty sure all the seals are clamped well i spray tested them for leaks and did see anything. Paranoid that i messed something up but my motor temp looks fine and my turbo is still hitting between 20-25 psi per the stock gauges.
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Old 02-27-2011, 08:12 PM
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you should be just fine a throw a sct at it with some innovative tunes and see what you think
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Old 02-28-2011, 07:44 AM
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Haha well I plan on doin that but I wanna throw a tune or anything else on for that matter until I make sure everything is a ok from the install. Tune and intake will be my next purchase this week, along with gauges....
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Old 02-28-2011, 08:53 AM
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I just got back from getting my exhaust done as well and my truck seems a little slower too. But as we speak Vivian is helping me get my SCT fixed so it wont be slow for to long!! Also when i spoke to her she said that it is normal for it to seem slower after the exhaust is done.
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Old 03-01-2011, 08:08 AM
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Good deal! well the SCT SF3 will be ordered later this week! One more question that im sure i am over analyzing on would be is it normal to hear a slight hiss under your hood somewhere near the turbo when the motor is running and your under the hood? Im 95% sure i connected the downpipe correctly but as always i second guess my own work. I would think if it was not attached properly there would be a very noticeable problem but as quoted by my name i am a power-stroke rookie! also does anyone know a good way to pressure check my exhaust seals for leaks? Thanx guys for all your help!!!!
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Old 03-01-2011, 08:17 AM
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A bigger down pipe will lower bottom end. That's why most say 5" isn't needed untill really hight hp. I still run a 3 1/2 mbrp down pipe.
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