Thoughts on My M.B.R.P. SIDO Installation
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Senior Member
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From: Illinois
Thoughts on My M.B.R.P. SIDO Installation
Well, I installed my M.B.R.P. SIDO Saturday. WOW! It’s the cat-back single inlet dual outlet with exits out the sides behind the tires. It sounds phenomenal! The removal of the original exhaust was pretty easy – about twenty minutes – without damaging or cutting the system off. The new system was on in about thirty minutes.
Overall, the fit and finish is pretty exceptional. It’s what I expected from MBRP based upon the past five or six diesel systems I’ve installed. I think I took an additional hour, though, just trying to align the system and get the tips to exit in the same spot. For some reason, it just wouldn’t come together. Then, like magic, it all fell into place.
MBRP does need to put some photos in their installation instructions. The rear hanger for the tailpipe section on the driver’s side is less than expected. It could be better, and described a WHOLE lot better. They call out a “U-nut”, which I was skeptical about so I called MBRP last week well before installing it. MBRP confirmed the “U” to be for “Universal”. Someone made a change here and I think it was poor one. They provided a standard 5/15” bolt, flat washer, lock washer, and nut. A U-bolt would be better.
In my experience, a “U-nut is one of those clip-typed nuts that is made from a piece of strap steel bent in a U-type clip with a nut welded or attached on one leg. You typically slide the U-clip over a piece of flat steel, or in this case through a square hole in the frame such that the leg of the strap that has the nut fastened to it aligns with the adjacent round hole that your bolt will pass through. This type of U-nut is then held in place by the friction the “clipping” strap creates so that you can put a bolt through the frame without trying to hold a nut “inside” the boxed frame. In this installation, I got a standard bolt that I had to find another flat washer for at home, and then pass it into the frame and try to fish it through the hole in the frame without losing it or the washer I had to put under its head. Then, to hold it while you tightened it, well, all I could do was hope friction would hold the inaccessible head of the bolt inside the frame while I sucked it up on the nut end. Luckily, it worked.
I’ll try to post some pictures this week. I wish the pipes were larger and the tips were larger, too. It all looks great and sounds much better to me than the Magnaflow and Roush Off-Road systems I’ve had in the past. The MBRP is much deeper and throatier. At highway speeds, you don’t even hear it except a faint rumble, but get on it and it growls as loud as the Roush Off Road. For those wondering about towing without O/D, at 62mph with O/D off, I doubt the minor rumble will be of any concern. I was concerned about this, but it seems mute. I’ll report back in a few weekends when the Flying Brick is hooked up. I do feel some loss on the low end, but the VMP and Troyer tunes will take care of that shortly. Oh, the engraved tips… priceless. They are dual-walled slant-cut tips, and they look great.
Well, my two cents here. Hope it helps anyone on the fence. I’ll be contacting MBRP about the infamous “U-Nut” today and report back on that, too.
Smoke
Overall, the fit and finish is pretty exceptional. It’s what I expected from MBRP based upon the past five or six diesel systems I’ve installed. I think I took an additional hour, though, just trying to align the system and get the tips to exit in the same spot. For some reason, it just wouldn’t come together. Then, like magic, it all fell into place.
MBRP does need to put some photos in their installation instructions. The rear hanger for the tailpipe section on the driver’s side is less than expected. It could be better, and described a WHOLE lot better. They call out a “U-nut”, which I was skeptical about so I called MBRP last week well before installing it. MBRP confirmed the “U” to be for “Universal”. Someone made a change here and I think it was poor one. They provided a standard 5/15” bolt, flat washer, lock washer, and nut. A U-bolt would be better.
In my experience, a “U-nut is one of those clip-typed nuts that is made from a piece of strap steel bent in a U-type clip with a nut welded or attached on one leg. You typically slide the U-clip over a piece of flat steel, or in this case through a square hole in the frame such that the leg of the strap that has the nut fastened to it aligns with the adjacent round hole that your bolt will pass through. This type of U-nut is then held in place by the friction the “clipping” strap creates so that you can put a bolt through the frame without trying to hold a nut “inside” the boxed frame. In this installation, I got a standard bolt that I had to find another flat washer for at home, and then pass it into the frame and try to fish it through the hole in the frame without losing it or the washer I had to put under its head. Then, to hold it while you tightened it, well, all I could do was hope friction would hold the inaccessible head of the bolt inside the frame while I sucked it up on the nut end. Luckily, it worked.
I’ll try to post some pictures this week. I wish the pipes were larger and the tips were larger, too. It all looks great and sounds much better to me than the Magnaflow and Roush Off-Road systems I’ve had in the past. The MBRP is much deeper and throatier. At highway speeds, you don’t even hear it except a faint rumble, but get on it and it growls as loud as the Roush Off Road. For those wondering about towing without O/D, at 62mph with O/D off, I doubt the minor rumble will be of any concern. I was concerned about this, but it seems mute. I’ll report back in a few weekends when the Flying Brick is hooked up. I do feel some loss on the low end, but the VMP and Troyer tunes will take care of that shortly. Oh, the engraved tips… priceless. They are dual-walled slant-cut tips, and they look great.
Well, my two cents here. Hope it helps anyone on the fence. I’ll be contacting MBRP about the infamous “U-Nut” today and report back on that, too.
Smoke
Last edited by Smokewagun; Jun 16, 2008 at 12:39 PM. Reason: Messed Up Title
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Senior Member
Joined: Jun 2005
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From: Illinois
I'll try to post pictures as soon as I can... a day or so. As for where to buy, I bought it through Troyer as a part fo a package deal. I figure that with the AF1 and custom tunes I ordered, the price for the exhaust wasn't much more than what I would have paid for the exhaust at the cheapest place on-line. Do a search for MBRP on this forum. There are couple of guys on this board that have posted in response to my posts about where to buy... I just can't remember the name of the sites they recommended. Sorry. Overall cost on the "other site", if I recall, was about $460 some bucks. IMO, I'll take this kit over the Roush Off Road, so I suggest anyone thinking about a SIDO kit should consider the MBRP. I wanted a behind-the-wheel exit dual, so I had no choice.
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From: Arkansas
https://www.f150online.com/forums/sh...highlight=MBRP
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Joined: Aug 2005
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From: MA
I just order mine. Duals out the rear. I was so happy to see you post.
I think I will try the install my self.
If you have anymore suggestion please let me know. It should be here monday.
I just hope I can figure out the driver side hanger.
I think I will try the install my self.
If you have anymore suggestion please let me know. It should be here monday.
I just hope I can figure out the driver side hanger.