Question about Driving in Sport and Sport +

[drmanny3]

I happen to go for a 100 mile drive to San Luis Obispo for lunch today. While driving on the highway I played around with the driving mode of Sport and Sport+. In going from Sport to Sport+ the parameters change and the exhaust sound increases. Normally at around 75 mph the tack is reading around 3000 rpm. Normally in Sport+ the trans only goes up to 7th gear. I flipped the right paddle and the trans went from 7 to 8 and then I flipped it again and it went into 9 ninth gear. The rpms dropped similar to what they would be in ninth gear in Sport mode at around 2000 rpm. The exhaust continued to sound loud. So I am assuming that all the normal parameters associated with Sport+ are engaged but I can also run the car in a higher gear then normal. When operating in Sport mode at 75 mph the car is pretty quiet. By running in Sport+ but in 9th gear, I am hearing a bit more exhaust. So my question is when in Sport mode is the exhaust muffler still restricted? When you go into Sport+ it seems that the exhaust muffler opens up and is less restrictive? I don't imagine it is simply the sound module making the difference.

 

[NSXY.]

When you engage the Sport mode the valves are initially closed, but will open depending on how aggressive you drive within the mode.

In Sport+ and Track the Valves are open.

 

[DMacNSX]

I happen to go for a 100 mile drive to San Luis Obispo for lunch today. While driving on the highway I played around with the driving mode of Sport and Sport+. In going from Sport to Sport+ the parameters change and the exhaust sound increases. Normally at around 75 mph the tack is reading around 3000 rpm. Normally in Sport+ the trans only goes up to 7th gear. I flipped the right paddle and the trans went from 7 to 8 and then I flipped it again and it went into 9 ninth gear. The rpms dropped similar to what they would be in ninth gear in Sport mode at around 2000 rpm. The exhaust continued to sound loud. So I am assuming that all the normal parameters associated with Sport+ are engaged but I can also run the car in a higher gear then normal. When operating in Sport mode at 75 mph the car is pretty quiet. By running in Sport+ but in 9th gear, I am hearing a bit more exhaust. So my question is when in Sport mode is the exhaust muffler still restricted? When you go into Sport+ it seems that the exhaust muffler opens up and is less restrictive? I don't imagine it is simply the sound module making the difference.

Thanks, I tried this last night. I will be using sport plus all the time now since I can up shift to the overdrive gears. I'm also adding muffler bypass next week so it should sound awesome.

 

[drmanny3]

Thanks, I tried this last night. I will be using sport plus all the time now since I can up shift to the overdrive gears. I'm also adding muffler bypass next week so it should sound awesome.

What specifically are you doing to accomplish muffler bypass?

 

[DMacNSX]

What specifically are you doing to accomplish muffler bypass?

It's a new product from Martin Barkey Racing Products, he races the NSX GT3 with Racers Edge. It's not on their website yet, my car will be the first car done. I will post sounds clips after the install, it will sound the same in all modes except in hybrid mode.

http://www.martinbarkeyracing.com/index.php

I'll post more info when available, exhaustctips look really nice, carbon fiber.