My K2500 is used mainly to pull our camper. It has a stock (fresh) vortec 350 with BB tune and dual 3" exhaust. The overall package works very well, and the truck and camper are matched well. I have been trying to make this as quiet as possible without killing the power.
From what I have learned over the years racing atvs & motorcycles (that had to pass sound tests), if you choke the exhaust down too much, it creates excess heat and all paint will be burnt off of the muffler and pipes. So, here I am. I have 2 walker glasspacks that have 20" of baffle + an 18" magnaflow. Dumped before the rear axle.
The pics show that there is paint on about the last 25% of the glasspacks. This tells me that I could add tail pipes (or maybe even combine it into 1 pipe?) that go over the axle and out the back. If I can y it into 1 pipe, that would probably quiet it down a bit more - thinking that if the heat is already out of the exhaust, flowing fast enough isn't an issue?
Any input on my thought process here? This method worked well on small engines, but I haven't messed with cars enough to know if it tranfers over.
From what I have learned over the years racing atvs & motorcycles (that had to pass sound tests), if you choke the exhaust down too much, it creates excess heat and all paint will be burnt off of the muffler and pipes. So, here I am. I have 2 walker glasspacks that have 20" of baffle + an 18" magnaflow. Dumped before the rear axle.
The pics show that there is paint on about the last 25% of the glasspacks. This tells me that I could add tail pipes (or maybe even combine it into 1 pipe?) that go over the axle and out the back. If I can y it into 1 pipe, that would probably quiet it down a bit more - thinking that if the heat is already out of the exhaust, flowing fast enough isn't an issue?
Any input on my thought process here? This method worked well on small engines, but I haven't messed with cars enough to know if it tranfers over.
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