Surprise - the PSE is LOUD!
Racer
Joined: Mar 2014
Posts: 449
Likes: 1
When the valves are open on a stock CS4 does it sound different than the PSE when open (I assume it does} ? I ask this because people here have remarked that PSE when closed sounds much like stock.The sound I like the best on the stock unit is a kind of bark it makes on aggressive downshifts. I am trying to rationalize the 4k on the retrofit.
Banned
Joined: Apr 2012
Posts: 4,650
Likes: 669
Lol.
Rennlist Member
Joined: Oct 2013
Posts: 553
Likes: 9
From: SoCal
When the valves are open on a stock CS4 does it sound different than the PSE when open (I assume it does} ? I ask this because people here have remarked that PSE when closed sounds much like stock.The sound I like the best on the stock unit is a kind of bark it makes on aggressive downshifts. I am trying to rationalize the 4k on the retrofit.
Im thinking you could add the console switch and associated reprogramming and achieve nearly the same effect, with the standard exhaust.
You might try that first, before changing the exhaust hardware.
Racer
Joined: Mar 2014
Posts: 449
Likes: 1
Since PSE can open the valves at low RPM you will get more decel and downshift noises in normal driving.
Im thinking you could add the console switch and associated reprogramming and achieve nearly the same effect, with the standard exhaust.
You might try that first, before changing the exhaust hardware.
Im thinking you could add the console switch and associated reprogramming and achieve nearly the same effect, with the standard exhaust.
You might try that first, before changing the exhaust hardware.
Rennlist Member
Joined: Oct 2013
Posts: 553
Likes: 9
From: SoCal
Yes this is the question I was sneaking up on. When the car is warming up at 1100 rpm's it sounds like the exhaust valves are open then the idle drops down to 800 rpm's and the valves close off. What would happen if one could control that and how much different would it be from PSE?
After my exhaust got fixed, I checked and it was in quiet mode (only 1 tail pipe) during warm-up.
I think they alter timing & fuel in addition to the raised RPM to make all that ridiculous racket.
It sounds horrible, but it is all about getting the cats up to temp as soon as possible.
I wonder if non-US cars also have to endure this painful ritual.
Drifting
Joined: Sep 2013
Posts: 3,356
Likes: 7
From: Upstate, NY
I also, hate that loud warm-up routine. After my exhaust got fixed, I checked and it was in quiet mode (only 1 tail pipe) during warm-up. I think they alter timing & fuel in addition to the raised RPM to make all that ridiculous racket. It sounds horrible, but it is all about getting the cats up to temp as soon as possible. I wonder if non-US cars also have to endure this painful ritual.
Rennlist Member
Joined: Oct 2013
Posts: 553
Likes: 9
From: SoCal
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Drifting
Joined: Sep 2013
Posts: 3,356
Likes: 7
From: Upstate, NY
It is def on the very loud side, and sometimes it is borderline obnoxious. My neighbors are good sports about it though.
Instructor
Joined: Jan 2011
Posts: 228
Likes: 0
I also, hate that loud warm-up routine.
After my exhaust got fixed, I checked and it was in quiet mode (only 1 tail pipe) during warm-up.
I think they alter timing & fuel in addition to the raised RPM to make all that ridiculous racket.
It sounds horrible, but it is all about getting the cats up to temp as soon as possible.
I wonder if non-US cars also have to endure this painful ritual.
After my exhaust got fixed, I checked and it was in quiet mode (only 1 tail pipe) during warm-up.
I think they alter timing & fuel in addition to the raised RPM to make all that ridiculous racket.
It sounds horrible, but it is all about getting the cats up to temp as soon as possible.
I wonder if non-US cars also have to endure this painful ritual.
Three Wheelin'
Joined: Mar 2013
Posts: 1,420
Likes: 44
From: Europe
I also, hate that loud warm-up routine. After my exhaust got fixed, I checked and it was in quiet mode (only 1 tail pipe) during warm-up. I think they alter timing & fuel in addition to the raised RPM to make all that ridiculous racket. It sounds horrible, but it is all about getting the cats up to temp as soon as possible. I wonder if non-US cars also have to endure this painful ritual.
