Cool pipes man. The should flow enough for a small block chevy
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| Go Devil 23 Custom Exhaust Build http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=71342 |
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| Author: | Wchauvin [ Sat Sep 30, 2017 9:49 pm ] |
| Post subject: | Go Devil 23 Custom Exhaust Build |
Built a custom exhaust for my 23 Go Devil Longtail. I see a lot of guys who look for affordable exhausts, so i figured i would share what i did. I cut the stock exhaust off at the manifold (left about an inch of the 1 inch piping off of the manifold). We then welded an inch and a half pipe about 4 inches long onto the manifold that we tapered to inch and 3/4s. we then put the mufflers on (walker exhaust resonators, 12 inch, 2 inch inlet, 2 inch outlet) onto the inch and 3/4 piping and welded it together. After that, we added some 2 inch exhaust tips and bolted it to the frame with two rubberized brackets to reduce vibration noise. The total build cost me about 85 bucks and I had the welding done at Midus in Houma by John, who does excellent fabrication work. The mufflers can be ordered from auto zone for about 16 bucks a piece. I saw about a 2mph difference in performance and a little more torque when going through thick stuff. We did a GPS on it before and after. Before, we were doing 18-19 with two people and two ice chests. We did the GPS after and were going 20-21. By myself I ran 21 and now run 23. I'm running it on a 1440 ouchita. Figured you guys would like to see this option if you are on a budget and want something unique that gives you some good little gains and sound. |
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| Author: | Will C [ Sun Oct 01, 2017 9:25 am ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Cool pipes man. The should flow enough for a small block chevy
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| Author: | Wchauvin [ Sun Oct 01, 2017 12:05 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Hahahahahaha thanks man, I bet they would lol I based the design off the little inboard boats I see running around and figured, if it could work for a small onboard, it should work for a longtail lol |
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| Author: | CypressCritter [ Tue Oct 03, 2017 7:50 am ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Them dirt dobbers will like those! |
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| Author: | Bayport [ Tue Oct 03, 2017 12:04 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Naive question...what does that get you? |
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| Author: | Wchauvin [ Tue Oct 03, 2017 12:05 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
That's why that boat cover is clutch lol |
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| Author: | Wchauvin [ Tue Oct 03, 2017 12:05 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
What's your question bayport? |
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| Author: | Bayport [ Tue Oct 03, 2017 12:12 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
What does doing all that result in? Did u have to do it bc of mods to the engine or??? Does the motor run a lot better w those exhausts? Just wondering how much you can get out of a 23. Thx |
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| Author: | Wchauvin [ Tue Oct 03, 2017 12:30 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
I originally decided to go with a custom exhaust after my buddy put a voodoo on his GTR. It sounded great and he saw some changes on the top end. I also noticed in my go devil that when I was running wide open, it sounded very restricted, so I decided to do a performance exhaust on it. Once I saw the price of the performance exhausts (400-500 range), I decided to design my own based off of the performance exhausts on in board boats with small engines. I did a little research and decided that, for the price, the above set up would be the best for my boat. Once we finished it, i immediately noticed a big difference in sound and my little 23 did not sound like it was restricted anymore. We did a gps before and after. Before, our gps with two people and two ice chests was between 18-19. After the exhaust build we were at 20-21. My gps with just me in my boat was 21. By myself after the exhaust, my gps was at 23, which I was very pleased with for a 23 longtail, granted my boat is small (1440), but I was still very happy with those numbers. All in all, the exhaust was mainly done for a performance aspect as well as for something unique. To me, the 85 dollar total cost for the project is definitely justified by gaining 2mph on the top end and a lot less restriction. My target is 25 mph by myself in my boat. My next additions are sharpening and cupping the prop, going with a higher flow air filter (possible custom air intake build), and some bigger injectors on my carbs, and then see where I am at on my gps. |
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| Author: | Bayport [ Tue Oct 03, 2017 12:35 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Thanks for the details..sounds like you have it pretty well set up |
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| Author: | Wchauvin [ Tue Oct 03, 2017 12:48 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
No problem bro, I have the parts details in the original post if you decide to do one yourself or have a friend who wants To make one. In my opinion, it's definitely worth the 85 bucks for the gains, the unique factor, and the good sound. |
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| Author: | flint87 [ Sat Oct 07, 2017 6:37 am ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
| Author: | Wchauvin [ Tue Oct 10, 2017 9:40 pm ] |
| Post subject: | Re: Go Devil 23 Custom Exhaust Build |
Can you send me a pic of your intake bro? I would love to see it. Thanks for the info too man. |
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