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Originally Posted by lc300
Installed JDL catted headers with stock overpipe and mid pipe and Borla catback.
It’s not loud at all, maybe a just a tad over what the stock header sounded like. Honestly sounds very OEM. The rumbly boxer sound is deep and full of bass in the cabin. You can still have a conversation with the passenger and listen to music.
From the YouTube videos of JDL headers I was afraid that they’ll give off a really high pitched raspy sound, but fortunately I got none of that.
As for performance gains, there’s a bit more pick up after 4K RPM, but it’s barely noticeable. I’m hoping an OFT tune would wake up the car some more. So far no CEL.
If anyone says interested in a sound clip, I can try to record one. It’s pretty hard to pick up the sound on the iPhone though.
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It's the catless headers you expect to get a lot more noise (and power) with. With a catted your gains are limited but you may never see a CEL. But definitely still get a tune as soon as you can. I will be going catless so expecting a lot more noise