Reply to "need help with exaust"

4nhotrodHe who dies with the most toys is dead

That is a LOT of found HP. Please, what testing/dyno did you do to arrive at that figure?>><
Simple. I hooked my car up to a chassis dyno and with the tailpipes the reading was 375RWHP. My tailpipes were 1 3/4 OD and when I removed them, I got 440 RWHP. I took the dogbone air cleaner off and got another 10 RWHP.
BTW, when my engine buider first fired the motor, the first thing he said was " this exhaust is chokin this motor". He was right.
The new 393 stroker didn't sound much different from stock until I opened up the exhaust.

11/5/063:58 PM

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