I've used an IPU from ADD Engineering and they are wonderful. Fairly simple system, but the flexibility and control is very useful.
I'm starting a "budget" build on a track car with some friends and we are looking for something similar, but much less expensive. I've noticed that a good number...
I am searching for information on mufflers and their designs. I've found a good bit of information scattered about, but still have a lot of questions.
Most of the muffler designs I am investigating are "straight through" designs, perforated cores with some sort of packing material around them...
when calculating the optimal primary and secondary lengths for an exhaust system, what options are there in terms of altering the lengths. i.e. is half length ok? quarter length? what are the options/effects?
what other things can be changed?
I used a tool to calculate the target primary...
