Bub Exhaust Baffles
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Hotrod customized 2005 Harley Davidson Road Glide, Hopped up engine, chrome, touring bike performance improvements
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The mufflers have integrated baffles that improve … to change constantly. In BUB Enterprises’ case, the company has survived in the market by constantly introducing new products. Recently, BUB Enterprises improved one of its exhaust …
As far as appearance and fit-and-finish are concerned the BUB pipes were among our favorites. Since the pipes utilize a large diameter and open baffle they are really loud at all rpm. In fact, it almost felt like the bike didn’t have an exhaust as the …
Check out this guide to buying a motorcycle exhaust system or pipes for your custom motorcycle!
Following in the footsteps of Harley accessory sleepwalkers, many companies are seeing massive opportunities to sell replacement exhausts that, presumably, add character in the form of increased exhaust noise … came with internal …
My brother helped me make up a quiet baffle for my Bub 7 exhaust today. We based the design on the quiet baffles he runs in his Vance and …
The rumbling, deep exhaust … BUB Enterprises offers a few notable slip-on mufflers for FL touring models, one being the Rinehart with its high-luster chrome finish and sporty black anodized endcap. The unique mufflers utilize a Venturi chamber …
Easy fast installation with no drilling of exhaust pipe. • Works with existing baffles. • 6-12 decibels quieter exhaust. • Sound diffusion technology developed over …
they offer a good alternative to other custom exhaust systems. On request, BUB will give you Dyno comparisons. High ground clearance for safe cornering. Accessories sold separately include heat shields and sound reducing baffles, with an …
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Dec 17, 2012 · Install a Bub Rinehart True Duals on a Road King – Video Guide: Tip of the Week – Duration: 4:13. Cruiser Customizing Video 36,133 views
Since motorcycles are so loud, many areas have laws in place requiring the sound to be managed with an exhaust baffle. Even in areas where there are no …
2001 HARLEY HERITAGE SOFTAIL CLASSIC FLSTC WITH EXTRAS . Vance & Hines longshots exhaust pipes. Chrome grips, chrome fender trim, chrome front & rear …
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To compliment the overall look of these systems, Straight Away exhaust outlets are fitted with chrome … 1 ¾ inch headers – 2 inch mufflers with 1 ¾ inch baffles and 2 ¼ inch heat shields. BUB Straight Away 2-into-2 systems come with detailed …
Bub Exhaust Baffles Find great deals on eBay for 2 into 1 exhaust 2 into 1 exhaust dyna. Shop with confidence. Hotrod customized 2005 Harley Davidson Road Glide, Hopped up engine, chrome,
Installation of Bub Enterprises “Bad Dog” Pipes
Impressions: I too felt the need to uncork a few more ponies and a more authoritative voice for my Dyna Glide Convertible. My search for a suitable replacement soon led to Dennis Manning of Bub Enterprises. Dennis has been involved in virtually every serious land-speed record attempt for the last 25 years, and knows a thing or two about Harley exhausts.
Bub’s provided a set of their Bad Dog mufflers which have a gradual taper ending in positively sexy header pipes. Build quality is excellent with top-notch chrome and smooth, even welds.
“But what about the sound,” you ask? Man-o-man, you won’t believe what those stock pipes were holding back when you hear how loud your sled is now. A low and throaty roar that is solid and powerful bellows forth from the Dyna’s exhaust. Although they aren’t painfully loud like straight pipes, they might be too noisy for some people. With a little practice you’ll learn how to run in stealth mode through neighborhoods you don’t want to annoy.
One drawback to these pipes is that the front pipe sits lower than stock, which may cause grinding during aggressive cornering or two-up riding. Softails have only 5.47 inches of clearance so owners of those bikes might want to consider this before purchasing the Bubs.
Another factor to keep in mind before buying pipes is whether or not you want to mess around with jetting. Bub claimed we could bolt the pipes on with no carb mods, but you’ll probably want to make a few simple jetting changes to take advantage of the increased exhaust flow. For this review we performed a standard CV carb hop-up by rejetting and installing a high-flow air filter. Dynojet has a popular kit or you can make your own with a couple of drill bits and the following H-D parts:
27094-88 Main needle (’88 XLH part) 27116-88 Main jet (#165) 27170-89 Pilot or “Low speed” jet (#45)
Results: Pipes alone won’t create an asphalt ripper. As these results show, improvements were modest but the power curve has been smoothed considerably. What opening up the pipes and air filter really offers is better feel with no peaks, valleys or flat spots. That means nice smooth acceleration and predictable response.
Installation: All the parts you’ll need for installation are included with the pipes and are shown to the right. The kit also includes a sheet of instructions that tended to be somewhat cryptic. A pro could probably do the job in under 30 minutes, but give yourself a couple of hours. First step is to get your tools ready — here’s what you’ll need:
big screwdriver (1/4″) 9/16″ combination wrench socket wrench with the following: 1/2″, 1/2″ deep, 7/16″, 3/16″ hex-head sockets 3″ and 7″ socket extensions large vise grips (for snap rings) small vise grips (for center mounting clamp) flashlight 3 – 4 Newcastle Brown ales.
Instructions begin with the rather vague message of: “Remove your old system completely, including all brackets, snap rings and flanges.” That’s all it says — you’re left to figure out how on your own. Luckily, it’s not that tough. Remove all heat shields, pipe mounting bolts and the two lower mounting brackets (whose location varies from model to model). The rear bracket is easily accessed.
Once you get both brackets off and you have the head nuts removed, the whole exhaust system comes off as one unit. Use the big vise grips to remove the snap rings located at the head-end of each pipe but be careful not to deform them because they will be re-used later. Also collect the two “flanges” that were used to mount the pipes to the heads.
Now use a flashlight to see what’s left in the exhaust ports. Old gaskets are a tight aluminum mesh that crushes when installed, so you must reach into the port with your fingers and pull that whole mess out. When you’re finished the port should look like a clean metal hole. Next install the “Genuine James Gaskets” provided by the kit, which isn’t easy as the gaskets barely fit into the port and you have to be careful not to mash or deform them.
Bub pipes install a bit differently from the OEM set as the front pipe uses the same front mounting point, but a different bracket, and both pipes share a rear mounting bracket connected to the transmission. Slide the small front mounting bracket provided onto the front pipe before installing the flanges and snap rings on both pipes.
Installation of the front mounting bracket is tricky as the clamp mounts inboard of the rear brake pedal and uses a nut, bolt, several washers and a lock washer. You also have to hold the front pipe in position while you do it. I wound up using a small vise grip to hold the clamp and washers in place while threading the nut. I eventually got it, but it took several attempts and a lot of cursing.
Installation of the rear mounting bracket is another area where their instructions are less than helpful. In order to install the rear mounting bracket to the transmission, you must first remove the double-ended bolt located on the bottom left side. Then, with the front pipe loosely fitted to the bike, you remove the top, rear-most tranny bolt and install the three-inch bolt supplied. Although Bub’s instructions give the impression that you’re supposed to use the upper-most bolt hole for the rear bracket, the upper left hole is correct. See the image to the left. The picture to the right shows how things should look when you’re done.
Another procedure the instructions never mention is tightening the flanges to the head, but we’d recommend doing it. You should tighten the flange for each pipe before tightening its bracket to ensure a tight seal between pipe and head. You’ll need to completely secure the front pipe (flange and both brackets) before you can start with the rear pipe. This is because the front pipe’s rear bracket bolt is covered by the rear pipe. Rear pipe installation was trouble-free.
Once everything’s tightened you’ll want to clean the pipes before starting as any grease or fingerprints will quickly become permanent when the pipes heat up. Now stand back and take a look at what you’ve accomplished. But how does she sound? Light her up and listen to the new and improved potato-potato-potato. It will blow you away. You just know the guys and gals at the factory must hate silencing all that beautiful music with those stock exhaust systems. Your bike is free now, the way it was meant to be. So go ride it and set off some car alarms!
You finally did it! You finally mustered up the right mixture of patience, money and insanity to take home a Milwaukee Big Twin, and man is it beautiful.