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Aussie

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G'Day all from the land down under.
Purchased a new Stinger GT 2021 great car.
My 3.3TT has four exhaust pipes two must be dummies.
Was lead to believe that a valve would activate the others when in sport mode.
Does not appear to be any device on the mufflers to do such?
Cheers Aussie
 
Welcome!! You should definitely hear a change in exhaust tone/note when you switch to sport and accelerate.
 
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G'Day all from the land down under.
Purchased a new Stinger GT 2021 great car.
My 3.3TT has four exhaust pipes two must be dummies.
Was lead to believe that a valve would activate the others when in sport mode.
Does not appear to be any device on the mufflers to do such?
Cheers Aussie
Welcome aboard! And thank you for signing up. Congratulations on your new Stinger! What did the Stinger replace for you? I'm glad you found us. :)
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
Yes been having trouble posting replies finally accepting them.
My Stinger is Oct. 20 build the exhaust only blows on two pipes I am sure there is no valve that operates in the sport mode.
Must be a one off?
 
G'Day all from the land down under.
Purchased a new Stinger GT 2021 great car.
My 3.3TT has four exhaust pipes two must be dummies.
Was lead to believe that a valve would activate the others when in sport mode.
Does not appear to be any device on the mufflers to do such?
Cheers Aussie
Pretty sure there is a bi modal connection on the outside pipe leading from the rear muffler
 
I can't get a photo now, but try to look into your exhaust outlets, you should see an actual valve.
 
and one set of pipes can't be 'dummies' because soot collects on all four pipes.
 
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From interior to exterior to high performance - everything you need for your Stinger awaits you...
G'Day all from the land down under.
Purchased a new Stinger GT 2021 great car.
My 3.3TT has four exhaust pipes two must be dummies.
Was lead to believe that a valve would activate the others when in sport mode.
Does not appear to be any device on the mufflers to do such?
Cheers Aussie

Well, get down on your hands and knees and have a look into the two outer two pipes. You should see butterfly valves. These click when you start the car and they open in sport mode.
 
I’m trying to override mine so they ( the butterfly valves)stay open all the time but the fuse tap in the trunk isn’t there on my july 2021 build , maybe it’s somewhere else like under the dashboard, I’ve checked the actual butterfly valve on the exhaust but its hard wired
 
Hi Aussie,

Welcome to the group and congrats on the new car!

Unfortunately, the active exhaust was not available until 22+

If you are looking to add an active exhaust for your 21 3.3T, we have an option available: (FOUND HERE)

We have tons of other great aftermarket and OEM products available for you on our website www.K8StingerStore.com

Feel free to reach out if you have any questions or if you would like a discount on your order!

Enjoy the new ride,

Daniel @ the K8 Stinger Store​
 
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