zuki_dan
Well-Known Member
- Joined
- Oct 1, 2015
- Threads
- 1
- Messages
- 447
- Reaction score
- 226
- Location
- North Carolina
- Vehicle(s)
- 15 Mustang GT Premium M6 TY
I went with Corsa sport cat back knowing I was going to install headers. They will increase the noise and how crisp the exhaust note is when installing headers on current cat back. I originally went catless then added the cats to tame it down a touch.
I had Lund tune down my cold start. It is there to warm the cats and leaves the exhaust valve open while firing the spark plug. It used to be loud for about 20 seconds after start they tuned it down to about 2-3 seconds by tuning the cam timing and spark advance. They told me it couldn't get much better because the cams depend on oil pressure to adjust and it takes the 2-3 seconds for enough oil pressure to the cam phasers to adjust and stabilize.
I had Lund tune down my cold start. It is there to warm the cats and leaves the exhaust valve open while firing the spark plug. It used to be loud for about 20 seconds after start they tuned it down to about 2-3 seconds by tuning the cam timing and spark advance. They told me it couldn't get much better because the cams depend on oil pressure to adjust and it takes the 2-3 seconds for enough oil pressure to the cam phasers to adjust and stabilize.
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