488 Exhaust bypass

Drive around at 75mph or faster with the car in race mode. That's exactly what it'll sound like all the time if you plug the lines (keeping the valves open). I personally like the switch because with the valves open you do lose low end torque in a car that already lacks low end torque. Sometimes I care more about the performance than the sound.

 

I use to install the switch, but in the last few have left them alone and been perfectly happy. I think all have sounded great and prefer them not always so loud except when they should be. You will definitely get a lot of opinions on here. Drive it around for a while and see what you think.


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When I picked up car the sound of valves opening and closing drove me crazy so plugged the lines after a week of ownership. I did not go with controller since my experience in other cars is I never drove with valves closed . As for power goes felt zero difference and if you are not getting good torque power down low you're not driving the car right. Have put over 4k miles on car in the 6 months of owning with a lot of it being highway miles, keep car in lower gear and no droning. A nice benefit is I get good pops and crackles down low that I did not get with valves closed.

 

I had the dealer pin mine open two years ago and never looked back. I never find it too loud or any sort of drone. Best , Kirk.

 

Would of been better if you just asked in one of the existing threads, all that will happen here is same comments by same people who are for or against. Mod should probably just merge threads

 

My 488 exhaust valves are unhooked (plugged)

1- The car DOES NOT drone at any speed
2- The car is not overly loud at all. (my wife would tell me)
3- The car does not lose power. When you get in the power band 3kRPM to red line the valves are open anyway. Under that putting around 2500rpm not difference

I personally would not waste money on a electronics valve controller. Any other exhaust change I would do such as cat back for a different sound.

 

Exactly!

 

Gee the dealer asked me if I wanted the valves open Free

 

I am in the same boat as you... was looking at the Capristo switch so I can manage the noise but I have driven my car in race mode at higher speeds and based on what I read it doesn't get louder than that... I am now leaning heavily on just getting the exhaust valves open.

 

kerr t in race mode abi e around 2900rpm valves open and that's as loud as it gets... pinned or with a remote control type exhaust like Capristo.

I just unhooked the vacuum lines plugged and zip tied them.