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Originally Posted by CorollaXRS Considering getting an aftermarket exhaust with a silencer on it for my MX-3 V6. Friend has the exact one on his RSX 4 banger and it does not drone, but worrying that once I put one in, it'll drone the heck out of the interior. What do you guys think? |
Find the factory part numbers for the original equipment exhaust systems. If they are the same part numbers from the cat-back, you're not likely to have any issues. If they are different part numbers, as I suspect they will be, you will (likely) need to address your exhaust system differently.
6cyl vs 4cyl will have different harmonics, pulse widths, air volume, and sound waves. It's possible the factory designed a system that addressed both engines, and the aftermarket may have gotten lucky...it does work out on some vehicles with pipe lengths and bends...but it's not likely. YouTube is an honest good spot to start.