Originally Posted by Dib12SE
I had a custom 3in straight pipe on my turbo corolla. the megan racing muffler came with a silencer, without it, my car would give you a headache at highway speeds. With it, my car was not much louder than stock, i was able to have conversations and hear the radio while on the highway. Import Tuner did a test and found that silencers don't drop power (in lower power NA applications like the miata they tested)
Are you talking a headache from within the vehicle, as in being the passangers? Or do you mean it would give everyone outside
the vehicle a headache?