| Author | Message | ||
     Drkside79 |
Ok I'm sure this has been asked and answered but is there any difference Between the 12 and the 9 pipe? | ||
| Reducati |
my girlfriend says she can tell the difference  | ||
| Andymnelson |
Only 1 pipe for both. | ||
| Nukeblue |
isn't the nine header smaller? | ||
| Bishopjb1124 |
The 9 outlet has an insert to give more back pressure. | ||
| Nukeblue |
where the header goes into the muffler? i thought the 9 had a smaller header? i'm probably confused and really should just stay out of these things! lol | ||
| No_rice |
ummm... actually the 9 and 12 pipes are made differentlty. its not that one wont bolt on the other, because they will, but they are not built to the same dimensions/specs. yes im positive | ||
| Stalker |
The diameter of the pipe is smaller on the 9 pipe, however the outside diameter of the collector ( the part that the pipes come together and the muffler overlaps to clamp on) is the same size. | ||
| Gunut75 |
oooookay. The dreaded question. Has anyone taken a 9 pipe, put it on a 12, and tuned it? | ||
| Drkside79 |
So the 12 pipe won't work right on my 9 or will it be ok. | ||
| Bishopjb1124 |
It will work on a 9 but it will run like doodoo. I orginally had a SS Drummer for a 12 on my wifes xb9 and it ran really bad and sluggish, bought one for a 9 and it runs great now. Both of them were being run on the bike with a race ecm. From my understanding the 9 and 12 SS drummers are built the same the one for the 9 just has a insert in the outlet to increase back pressure. When I talked to Kevin about running the 12 pipe on the 9 he suggested against it but said the 12 would run good with the 9 pipe on it. I can take pics tomorrow of both pipes to show you the differance in the outlets if you want me to. Jimmy | ||
| Gunut75 |
That I do not know.  I don't know of anyone trying a 12 pipe on a 9. |
