Quiet exhaust LOUD HORN!?

IMO If you have to use a horn to keep people from turning in on you, you're doing something wrong.

I always tell my drivers not to go inside of someone on corner entry unless you're 100% sure that they know you're there, which means you're so far alongside that they can see you clearly.

I would probably be pretty pissed if someone started honking at me on the race track.

Soooo, you want to pass like you're from NYC? ;-)

Back when the People's Curse was still alive and well, I seem to recall a team having their car crushed specifically because they were using the horn while passing.  There may exist a clue in that in regards to how well your idea will be received.

Yeah, the only time I've ever had road rage on track was when a Prius, of all things, started indignantly "tooting" it's little horn to pass in a tight (what other kind is there?) Sonoma corner. I let him by because I couldn't hear the damn thing, either... So yeah, I'd probably just make the exhaust louder

Horn's are for getting spacecases to move out of the way in the paddock. Your BRAIN is for using to keep people from wandering into you on the track. You can't really hear a horn, and even when you can, you have no idea where it's coming from. Honestly you wan't people to notice you on the track, there are ways to do that.

If someone doesn't know you're there, and then you blast a train horn, I can almost guarantee the other driver jumps and moves to where they think there is no car, which would be where you are.

Reading traffic and learning safe passing of cars who aren't situationally aware is a large chunk of driving in Lemons. Scaring them with horns isn't the right shortcut. Making your exhaust stupid loud will only serve to ruin your hearing (he says with the now loud saab that requires more hearing protection).

Pffft...dont you watch IMSA?  This was obviously a higher classed car with more speed and a better driver.  And everyone knows your HPDE lap times are recorded and used for future contract negotiations in Formula 1.

As a driver of a quiet car I'll say its nice to be the sleeper. We make a sleepy little car go pretty good from time to time.

As an endurance racer, as soon as I think I have an overtake advantage on another car I remind myself not to rush the pass. It either works or it doesn't.  Setting up an exit line pass can be even more fun than bombing a car whose driver may not know you are coming. In an "all at fault" case its best not to hit another car and odds are with your method eventually the bent metal is going to be the other cars door and your front corner. The other car may not own the line but neither do you.

I do sometimes want a horn in the paddock to say hello but that's about it. its hard to yell out of the helmet.

Yep on that - when I was driving the Titanic I rigged up a fog horn out of an air mattress filler and some ABS pipe.

Worked great - flip the switch, filler spools up in a second or two, the oooooooooooooOOOOOOOhhhhhh tone rolls out over the pits,... and gets a big ole smile out of the young gal working on her car as the Titanic rolled by... first and last time I got to honk at the 'girl next door'...

(which almost made the tongue lashing I got at home while building and testing the fog horn worthwhile)