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You want more noise? Just get a set of Kooks headers. Unbelievable difference.

Cold start is obviously louder... even with the valves all the way closed. Can't really quantify how much louder, but its reasonable.

Kooks headers, cerakote bronze. Don't mind the spray on the cover. Going to clean that up tomorrow. 🤣 And if you want louder, get this. 🤣

no cats

Just got my Kooks headers installed.. OMG why did i wait this long to do it? Sound is incredible with the valves wide open. Fully closed you can hardly hear it over music. Open the windows and have the valves full open it sounds like straight pipes! 15 hp and 55 tq gained as well. No CEL...

Why do they leave a giant hole in the top to suck in hot engine compartment air?

I'd be interested if they keep the stock tips for the exhaust.

Might sound crazy but have you verified it's not your ventilated seats? The fans for both seats are noticeable with the music off.

$55k? No thanks. But I do want those wheels.

Bumping this up to see if there is any updated feedback of the catted headers. More specifically if a CEL popped up or not. Thanks

Competitive driving mode is what you need. Go into sport mode and press the traction control button twice. That mode eliminates almost all nannies holding back any burnouts.

My shifter is pretty good however at times when putting it in to first it feels like it's fully engaged when it's not. Once i try to let out the clutch the shifter will pop out of first.

Have you experienced any CEL for the new cats on those headers yet?

Two cats actually. :P

Luxury or not it's a sports car! When i need to have my radio off to hear the engine then it's too quiet! :)

All i know is I want more sound in cabin without dealing a CEL from the cats from the exhaust and green cats. It's too quiet for me with the valves fully open. If the headers provide that then great but i think i'll still need a new muffler to be happy. Standing by for actual reviews of the...

Its a Zenith night tonight! Limited edition of 25 and a bronze case to boot. One of my favorite pilot watches I own. The lume is absolutely incredible.

Bumping this up as the recall finally posted on the Cadillac app for my BW. I called my dealer to schedule getting the recall completed and they told me that the fix for this has not been figured out yet. Said the initial attempts of reprogramming did not fix the issue. Searching online...

So i take it Kooks is not working on a catback exhaust for the 5? Is there going to be any appreciable difference in sound with this exhaust??