[Chevelle-List] Exhaust Pipe Diameter

Hey all, I am building an exhaust system for my 67 with a 250-I6. I have headers, with 1 1/2 x 36 main tubes, into 2 1/2 x 5 collectors. What do I do to determine the best pipe size? cn I run 2 1/2 all the way back, or would that cause nasty side effects? I'm considering a Flowmaster

Re: [Chevelle-List] Exhaust Pipe Diameter

Sound like a good combination, remember one of the factors in mufflers and noise is the number of cylinders per muffler, duals on a V8 will be noisier than the same muffler with all 8 flowing thought it. Hey all, I am building an exhaust system for my 67 with a 250-I6. I have headers, with