Exhaust Update
Hello Tomkat & Everybody,
I would like to take a moment to update all who are interested in our exhaust system. We have performed several in-house testing sessions with multiple different configurations. The results are better than I expected! We have concluded on a design which yields excellent bottom, mid and top end horsepower. In testing several different header lengths, diameters, step locations, and every other variable you can imagine, we ended up with what I feel is the best all around and most useable power band for this machine. Furthermore we tested it on both a stock machine as well as a mildly built and aggressively built machine. The gains were proportional and to my delight, the chosen design worked equally well on the stock to fully modified engine!
In all honesty, there was a little of a trade off in header lengths. We wound up in a situation where we were making a significant amount of bottom end and torque. The throttle response was excellent. The ride ability of the machine was off the charts. The power was smooth and consistent. However this excellent power came at a very small price. We did have to compromise a little on the top end power. The amount of gain in the bottom well out-weighed the loss on top. After riding several hours in testing, we found that we spent 90% of the time between 4000 & 6000 RPMs, and this is where the pipe performed at its best.
I have attached a dyno chart to this posting. Run #23 (Blue) is our Alba exhaust. We are comparing it to two reputable well-known exhaust manufacturers so show the benefit of our system. They are represented as Run #5 (Red) & Run #8 (Green). It is important to note that these two pipes were chosen from their high popularity and reputation on this machine. I would also like to note that we did thoroughly tune each pipe to ensure a consistent and fair comparison. I have left their manufacturer's names out of the article because I am not here say anything other than we are not satisfied until we are the best! Pipe #5 did create more top-end power, but the increase in the bottom made our pipe more enjoyable to ride, as well as faster "out-of-the-hole" and drag times. We also are creating more overall torque, which in my opinion is almost more important than horsepower!
The development phase is done! However, a prototype exhaust, while flowing the same as a production pipe, looks like about 45 pieces welded together to make 1 header (ugly and not structurally sound!). For this purpose we can not use a prototype exhaust for durability and reliability testing. I am having a couple made as they will be when we manufacture them. I will then be installing one on Caster's 700XX (can't use Matlock due to his contract with HMF). What better person to test the durability of an exhaust than a professional racer. Caster could ride harder in his sleep than I probably could on my best day!!!
I will keep you all posted when I have more!
Note: We will be installing 02 sensor bungs in the headers at the specified location to accommodate Dynojet's PC5 Auto Tune. This device is the best thing since sliced bread! I highly recommend this fuel module for anyone looking for the ultimate in "easy-setup". It worked better than I could have imagined. We are able to fully tune a machine in as little as a few runs on the dyno! We will be offering our exhaust, intake kit (choice of foam or K&N filter), PC5, and Auto Tune as a kit when we have everything ready to go. I have not determined the exact price of the kit, though there will be a good discount when purchased as a package! Anybody who orders a package and informs me of their membership to this forum will receive an additional discount (amount or % to be determined). This will be a limited time offer and more details will be disclosed when we are ready to start selling!
Thanks to anyone who took the time to read this!
Matt Fasig
I just installed the PCV last night and will pick up the auto-tune shortly to be ready for the big day.:yay::rock:
