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View Full Version : Fitting Harrop Diff Cover & 3' Di Filippo's


Clubby 156
06-10-2009, 07:34 PM
Have been told there is clearance issues with the two. What have some of you guys done to get around the problem?

Cheers
poolkeeper
06-10-2009, 07:38 PM
Im pretty sure the only way around it, is to modify the exhaust.

"Waiting for someone to post that link" :jester:
GRUNTS
07-10-2009, 09:20 AM
i have di-filippo 3'' and harrop sport diff cover ,yes mate the exhaust has to be modified
deverson1
07-10-2009, 11:35 AM
Im pretty sure the only way around it, is to modify the exhaust.

"Waiting for someone to post that link" :jester:

Do you mean this thread.

Australian LS1 and Holden Forums (http://www.ls1.com.au/forum/showthread.php?t=112161)
LS1 VT
07-10-2009, 11:57 AM
Didn't think it would take long for those pictures to come up
GRUNTS
07-10-2009, 04:45 PM
Do you mean this thread.

http://www.ls1.com.au/forum/showthread.php?t=112161

i would of gone off my nut if they modified my exhaust like that,,, that is one shocking job,, mine were done properly with some new pipe to extend the tail pipe to go between the diff cover and fuel tank:goodjob:
hypa.ss
07-10-2009, 08:00 PM
Thats a terrible job,back pressure much? thats was with a ute though,do the sedans have the same problem? Also what about twin 2.5' same problem?
heavyduty1340
07-10-2009, 08:04 PM
FFS not the ol hair gel workshop again:spew::spew::soap::flipoff:
poolkeeper
07-10-2009, 08:04 PM
Do you mean this thread.

http://www.ls1.com.au/forum/showthread.php?t=112161

haha yeah thats the one
Clubby 156
07-10-2009, 08:34 PM
Do you mean this thread.

http://www.ls1.com.au/forum/showthread.php?t=112161

Nice mod there. Good way to wreck your expensive d/f system. So i take it people get the pipes re routed around the diff. It must make buying the exhaust system expensive having to cut and chop it.
TommyVTss
07-10-2009, 09:04 PM
i had the same problem with mine when i fitted my diff cover although my system is pacemaker,

i ended up going under the diff was the easiest option and i havent had any clearance issues since,

tom
gts071
08-10-2009, 07:49 AM
I don't have a DF exhaust but I had the exact same issue. They just cut a bit here and welded a bit there and it came up a treat!

Didn't cost that much either from memory.
NIXON
08-10-2009, 08:43 PM
Id be spweing if that was my car.