Not Ranked
Kevin
I have the 3.5" Howe's with a 496 c.i. KC, 650ish and don't thinks it's overly loud, but do have the outlets turned down slightly.
Here's the scoop
KC Engine dyno: 649 hp, 668 trq
Stock LS exhaust
2" headers
1.75" J-pipes
3" collectors
LS mufflers ?size
3" outlets
Chassis dyno: 427 rwhp, 415 rwtrq
Exhaust #1
2" headers
2" j-pipes
3.5" collectors
4" x 24" Lobek Auger Mufflers, don't remember auger size
3.5" outlets
Chassis Dyno: 506 rwhp, 535 rwtrq
Current Exhaust
2" headers
2" j-pipes
3.5" x 3" x 3.5" Merge Collectors
4" x 24" Howe Racing Mufflers (3.5" I.D.)
3.5" outlets
Chassis Dyno: 519 rwhp, 541 rwtrq
Brad W.
PS: Added photo to gallery that shows the current setup
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Last edited by 2KWIK4U; 02-23-2009 at 05:48 AM..
Reason: more info
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