Straight pipe catback with quietest cold start

[ggrelish]

Hey all, what do you think is the catback that is quietest during cold starts and in normal mode that is still straight piped when the valve is open? I like the dinan because of the price, but it seems like that muffler on the non-valved side isn't super quiet. I live in close proximity to a lot of neighbors, so I'm trying not to piss everyone off in the mornings! To note- I already have a catted downpipe.

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[licklobster]

Titan

 

[Rensuhlo]

Dinan will be fine for what you're looking for. It's not overly loud.

 

[swrdply400mrelay]

Dinan with valve closed is slightly louder than stock.

With valve open it’s straight piped.

1st two revs in normal, last 2 in sport, stock dp at the time.

 

[Timmy_Jones]

I am shocked how quiet the Borla is on cold start / valve closed.

 

[skyviper80]

My BoostLogic was loud but still quieter than the neighbors Camaro.

 

[Timmy_Jones]

My BoostLogic was loud but still quieter than the neighbors Camaro.

A lot of that comes down to; displacement, compression ratio, and NA vs Turbo.

 

[sabrownfl]

If you're running stock downpipe, the Dinan will be fine. If you upgrade the downpipe, then it gets noisy. https://www.supramkv.com/threads/sound-clip-video-dinan-exhaust-cts-downpipe.26423/#post-420304

But it does sound good.

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