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Forum: Exhaust TECH 12-28-2018, 01:24 PM
Replies: 39
Views: 4,704
Posted By 78w72
fully agree, thats what ive always said about...

fully agree, thats what ive always said about things like this... the member that posted this thread says his race pros have terrible drone & have to go... others chime in saying their race pros dont...
Forum: Exhaust TECH 12-28-2018, 12:03 PM
Replies: 39
Views: 4,704
Posted By 78w72
i can see that, but not really apples to apples...

i can see that, but not really apples to apples to compare a 20" case to a 14" case. i'd bet the 14" dynomax is a very similar sound to the 14" racepros.
Forum: Exhaust TECH 12-28-2018, 11:25 AM
Replies: 39
Views: 4,704
Posted By 78w72
i trust your experiences with them, just saying...

i trust your experiences with them, just saying my experience. each person/car is different it seems, some love the racepros & say they dont have drone, some say they do. pypes themselves say the...
Forum: Exhaust TECH 12-28-2018, 10:04 AM
Replies: 39
Views: 4,704
Posted By 78w72
every car must be different, some say...

every car must be different, some say racepros/ultraflo's have drone, some don't.

the one set of street pros ive heard were on a 2.5" pypes X system with small hedman headers & ~425hp, they were...
Forum: Exhaust TECH 12-27-2018, 02:43 PM
Replies: 39
Views: 4,704
Posted By 78w72
weird... pypes says the street pros are louder...

weird... pypes says the street pros are louder than the race pros.
Forum: Exhaust TECH 12-26-2018, 10:29 AM
Replies: 39
Views: 4,704
Posted By 78w72
yeah lots of mixed results & opinions on what...

yeah lots of mixed results & opinions on what "drone" really is... i have 3" race pros on a 2nd gen firebird with 3" pypes full exhaust out the back & an X... i would say very little if any real...
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