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Exhaust sound with the rear seats down

dstewart51

Seasoned Member
Joined
Mar 13, 2022
Messages
212
Location
Lake Hughes, CA
V-Series Cadillac(s)?
23' CT4V-BW
Found I can transport my road bike in the 4BW with the rear seats down, just have to pull the wheels. This lead to finding out how much more awesome the car sounds with the exhaust open and giving it the beans! Really lets in more sound, shifting cracks (cant get enough of) and decel burble. Thats all.
 
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LT4play

Seasoned Member
Joined
May 30, 2022
Messages
69
Location
Texas
V-Series Cadillac(s)?
2022 CT4-V Blackwing
thanks for sharing! I like this idea, going to try it ...
Never been certain how "loud" the factory exhaust sounds, have even been contemplating a custom catback aftermarket (x-pipe/muffler delete/resonator).

My sons tell me its louder outside than I think it is. LoL
 

dstewart51

Seasoned Member
Joined
Mar 13, 2022
Messages
212
Location
Lake Hughes, CA
V-Series Cadillac(s)?
23' CT4V-BW
thanks for sharing! I like this idea, going to try it ...
Never been certain how "loud" the factory exhaust sounds, have even been contemplating a custom catback aftermarket (x-pipe/muffler delete/resonator).

My sons tell me its louder outside than I think it is. LoL
I really like the factory sound and the muffler is part of the aerodynamics under the car, so I am not going to touch the muffler. I have a Tapout catted down pipe on the way, this will allow much more sound out the back with the exhaust open but will still be nearly as quite as stock with the exhaust closed (so I'm told). Really looking forward to more sound but I like having the option to make it quite.
 

LT4play

Seasoned Member
Joined
May 30, 2022
Messages
69
Location
Texas
V-Series Cadillac(s)?
2022 CT4-V Blackwing
Honestly, every time I think about touching the exhaust I wimp out.
downpipe would be a good solution - but got freaked by catted with this thread (he eventually got a CEL). I live in a very strict emissions/inspection country.

 

dstewart51

Seasoned Member
Joined
Mar 13, 2022
Messages
212
Location
Lake Hughes, CA
V-Series Cadillac(s)?
23' CT4V-BW
^ Same, but after talking to the staff at Tapout, I feel better about it. There is a chance the CEL light may light up, but they say its definitely not the norm and only happens to a small percentage of installs. I'm willing to take the risk.
 
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LT4play

Seasoned Member
Joined
May 30, 2022
Messages
69
Location
Texas
V-Series Cadillac(s)?
2022 CT4-V Blackwing
You'll have to let me know! Maybe I need to look there again ...
It says you're in Cali, so clearly you have strict emissions too. ;)
 

LT4play

Seasoned Member
Joined
May 30, 2022
Messages
69
Location
Texas
V-Series Cadillac(s)?
2022 CT4-V Blackwing
No testing for the first 8 years for the original owner.

Wow, shocked to hear. of course, you may or may not even have the car in 8yr.
Nonetheless - keep me posted on CEL status of your downpipe. Would love to see another datapoint.
 

GTANotch88

Seasoned Member
Joined
Oct 19, 2021
Messages
259
Location
NJ
V-Series Cadillac(s)?
'22 CT5-V BW
Well, folded rear seats do also allow for better weight/air transfer between the passenger compartment and the trunk. We all know air is heavy, balloons with just air sink.:thumb
 

Dnefrederick

Member
Joined
Dec 15, 2021
Messages
20
Location
Buckley, Washington
V-Series Cadillac(s)?
2022 Cadillac CT4V Blackwing
Honestly, every time I think about touching the exhaust I wimp out.
downpipe would be a good solution - but got freaked by catted with this thread (he eventually got a CEL). I live in a very strict emissions/inspection country.

That’s too bad. I put the Catless resonated downpipes, ported TB, green filters, Brisk plugs and the JB4 tuner in. Makes an amazing difference.
 

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