starman
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- May 3, 2021
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- Supra 3.0P
This would depend on the exhaust you have. I suppose if you have one of those aftermarket exhaust systems where the valved side is just a straight pipe, then you may not notice the difference from inside the cabin as those configuration exhaust systems are already pretty loud with stock cats.Had the Active Autowerke catted down pipe installed today. Am I the only one who expected more out of it? I don’t really notice a difference in sound..
I don't know about stock exhaust systems, but I have Armytrix catback which is one of the quieter options --- I had disabled ASD and in sport mode (with stock cats) it was still too quiet when inside the cabin. I then added the AA catted downpipe and it made a difference in sound volume to where I can hear it inside the cabin now with added burbbles for sure. Volume for me was perfect, not too loud and not too quiet.
So yes, it does increase sound volume. but depending on what exhaust you have, you may or may not hear a difference (especially inside the cabin)