Any problems putting 3’ exhaust on 70 Dart ?

Brooks James said

Car chemistry, I thought about it, I’m going to be running my car with all the safety stuff to prevent detonation , MSD timing controller etc and other things that that will negate what nitrous will do to the motor. Using a rich not too rich maybe 1o air fuel as an additional back up . I been around too many cars that the fumes will burn your eyes especially one with a Holley. so I figured that I would send the fumes out back and to it to the point where you’re eyes are ok.

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The safety stuff is good for sure, I wouldn't run without it on my car. Believe it or not the fumes at idle ect. is all in the tune up, too rich at idle. I drive my car around with open headers on the street quite a bit and I don't even smell like exhaust when I get home. I would also say that with a rich carb the car will be louder idle than with a carb tuned properly. Although my car is loud with open headers it's not as bad as you would think once YR helped me dial in the carb.