Quote:
Originally Posted by dagdisco03
This looks great I've been thinking of doing something very similar but now that you say not enough cow bell I'm thinking I may skip the valves and just drill a hole where I show it in this picture to go through the inner pipe and then just cover the hole in the muffler casing to keep the OEM look.
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That will give you about the same effect I get with valves open. If I were to go that route knowing what I know now, I would probably drill that hole all the way through both sides of the inner pipe to double the flow into the outside chamber. While my mods sound good, if you heard this in person you would not be impressed. My wife even commented that she could hardly hear the difference, as did my indi shop. Thats a buzzkill for sure.
If you cut a big square out of the top of the outer chambers, you could work inside more easily. Then I'd just cut a big section out of the inner pipe, and finally weld your squares back in place. That might provide a good level of cowbell, but still not extreme since your bypass isn't going straight to the tips.
FYI all my piping is 1.5", so don't be shy with drilling big holes or opening up the bypass to allow good flow. Good luck!