Remove the end cap three screws hold it on. Remove the screw that is on the bottom of the backend of the muffler holds the core in. There are two rivets holding the nameplate. Drill out the rivet nearest to the back end of the muffler.
Put a dowel, or similar type of handle, into the inlet end of the muffler. At this point it will either hit a screen, or it will go all the way down to the discs. Tap against the discs, or the screen, and push the core out the back end of the muffler. If you have a Quiet Core you will have a screen. If you have a Race Core you can see straight through to the discs.
After removing the core, remove any left over packing. Next, make sure the holes in the perforated tube are clear. Wrap the new packing around the tube. Use masking tape at the top and around the middle to hold the packing in place. Then line up the holes and replace the core. Re-jetting is suggested, but is not required. The best approach is to first put your new tunable SuperTrapp exhaust on your bike, or ATV, and tune it to the stock set-up.
Once the SuperTrapp is tuned and running the way you want, you can then go up in the jet sizes, add a free flowing air filter, and add more discs for more horsepower. All SuperTrapp products come with a limited one-year warranty against workmanship and mechanical failure. For warranty questions Click Here to call us or send us an email. Fifteen inch-pounds. Or, two more turns once the screw heads hit the discs. Then check after your first ride and make any adjustment.
Note: It is very important that you liberally use an anti-seize lubricant on the screws that hold the discs onto the core. Disc Installation Video. Yes, an anti-seize lubricant should be used. These compounds resist heat and moisture and will ease the future removal of the fastener. Do not use Locktite, as it is an adhesive thread-locking compound.
We recommend using a high temperature, copper based anti-seize lubricant. It really depends on how you define power. A lot of information available boasts peak power numbers, these numbers are usually at an RPM range that most bikes rarely see. To really understand how a system performs you need to look at a Dyno graph all the way through the RPM range.
There are a lot of factors that affect where a pipe makes power. Engine size, compression, cam timing, cam overlap, valve size, and intake size are all part of the equation. The biggest factor to consider is at what RPM range the bike will be ridden at consistently. The fact is that pipes designed for race bikes, which are ridden in a very narrow high RPM band, will not perform on a street bike.
A general statement that can be made is; longer smaller diameter pipes make low-end power and shorter large diameter pipes make top end power. One other design constraint to remember is styling. With all of this in mind, there are a couple of fundamental differences between and exhausts when it comes to design. The advantage of a is that the pipes are separate so the length can be fine tuned for a specific power band. You can also tune each pipe length per cylinder if necessary.
Also, you have far more styling latitude. The disadvantage is that the power band is narrower. The advantage of a is that you tie the cylinders together giving you the ability to take advantage of the natural scavenging affect that occurs between the cylinders during the intake and exhaust valve cycles. This tends to give you a far broader power band and greater overall performance. Under this circumstance, the low speed fuel circuit needs to be adjusted. If you reach 3. Repeat this process until the misfire is eliminated.
In some cases, this problem is an indication that the exhaust is too free flowing i. Head pipes too large in diameter or muffler core is too large for the motor configuration you have. As always, check your spark plugs to verify the tune is correct. The plugs should be a light tan in color if tuned properly. Longer pipe lengths lessen the volume of sound and shorter pipes increase the volume of sound.
Something to keep in mind is that the human ear is more sensitive to higher frequencies; this means that we perceive these sounds as louder. If a muffler or baffle is added to the equation then the pipe size has only a minor affect on the overall sound. Also, a muffler can alter sound significantly depending on the design.
Many technologies are employed in the design of mufflers or baffles. At this point we need to understand the difference between a muffler and a baffle. A muffler is a mechanical assembly that employs multiple components and technologies to reduce sound in an exhaust system.
A baffle is a mechanical device used to disrupt sound waves. In most cases baffles are used as a component in a muffler assembly. Muffler assemblies are far more complex. These assemblies can incorporate many components to alter sound waves.
These components can range from packing materials such as fiberglass, ceramic wool, and stainless wools to perforated tubing, baffle tubes, and baffle plates or any combination of these components. Due to the vast design configurations and their abilities to manipulate sound, there is no hard fast rule that can be given to say how a specific muffler will sound.
All street exhaust designs are a balance between power and appropriate sound quality. Something else to keep in mind is that the engine configuration plays the biggest part in overall sound. Compression ratios, cylinder heads, cams, and ignition timing all affect the sound output of any given engine. Slip-ons are just as they infer. Loosen the clamp at the inlet of the muffler, remove the mount bolts from the muffler and remove the muffler from the bike.
Reverse the process to install the new mufflers. A performance exhaust is designed to improve airflow through the engine. Anytime you can improve the efficiency of airflow through a combustion engine you can increase performance. SuperTrapp discs provide a scavenging effect. As hot exhaust gases pass through the discs to exit the muffler they enter a larger area, creating a slight pressure drop as the gas expands, creating a scavenging effect. This larger charge lets the engine create more power and this is why it is very important to use discs.
The discs are always installed with the flat surface against the end of the muffler and the tapered outer lip pointing away from the muffler. Always remember to use an end cap with the discs. The end cap is formed to nest into the discs and is an additional indicator of the correct installation direction.
Check the color of your spark plugs. You need to remove discs. And vice-versa. All the best! Harry Flatters. Last seen: 1 min 56 sec ago.
I have a 3" Supertrapp and with all 12 discs there was no change from my previous reading of db. I removed 4 or 5 discs and got it down to around 98db. Last seen: 1 year 5 months ago. Can you explain what a Supertrapp is please, and what it does I can guess some of it from your posts, but would like to know for sure! Supertrapps are designed to cut exhaust noise.
See bottom of page , item 7 of the Demon Tweeks catalogue. Principally, the device fixes onto your tailpipe and using a series of metal rings and a capping plate to force the exhaust out in a circle rather than straight out of your tailpipe. I have never heard of such a case but I guess the theory is correct. Thank you.
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