I want to change the header, but would it sound louder than stock?
Does anybody have any estimated data of the sound level (dB) for the exhaust / video reference for:
- stock
- long tube header with 200 cell metal cats
- long tube header without cats
I'm still using the same catback exhaust (mid resonator & rear muffler)

 

If I change stock manifold&cats to long tube header with 200 cell metal cats, would the sond unpleasantly louder for daily driving? Any drone?
I'll be using stock catback exhaust (mid resonator & rear muffler)

 

Yes yes and yes

 

It will be LOUD with LTH's, especially with a catless setup.
Don't know how many DB's but it will probably be around 130db if I had to take a guess, which is very loud.