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Headers on a 6.2L with Stock Muffler/Cat-Back?
Headers help airflow, even on a stock cam, and more airflow equals more sound, so they will add volume at certain throttle openings even with stock mufflers. Also cast iron manifolds are an excellent sound insulator...with them gone you can hear more of the actual engine sounds when you crack...- Beach Goat
- Post #44
- Forum: Performance
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Headers on a 6.2L with Stock Muffler/Cat-Back?
OP not sure if you've made your decision yet, but as someone who has a lot of experience with LS engines, I've found that Corsa sounds exceptionally raspy and unpleasant at anything but idle. I have never understood the appeal of making your big muscular V8 sounds like a ricer with a fart can.- Beach Goat
- Post #43
- Forum: Performance
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Rear driveshaft replacement
Hello all, first post. Vehicle is a 2007 Tahoe, 5.3L 4wd, 155,200 miles. Above 70mph the truck has a driveline vibration in 2hi, I believe it is the driveshaft (I've felt driveshaft vibration plenty of times before). I've had trouble finding a new driveshaft. There seem to be an overwhelming...- Beach Goat
- Thread
- Replies: 1
- Forum: Engine & Drivetrain
