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  • Legacy Donating Member
  • Member For: 15y 26d
  • Gender: Male
  • Location: Gold Coast
Posted

hey all

quick question, when I had my tune a few months back was told my rear muffler was restricting more power, 4in dump and single 3 1/2in xforce stainless system. must be the first series xforce rear muffler.

my plan is to just remove the rear muffler all together and fit up a peice of 3 1/2in pipe to put in its place,

will I need a re-tune?

cheers in advance

  • ...JD TUNING ADELAIDE...
  • Legacy Donating Member
  • Member For: 18y 4m 5d
  • Gender: Male
  • Location: Adelaide
Posted

Yes

  • Like 1
  • Tampon inserted, Auto Acquired, next purchase a new handbag
  • Legacy Donating Member
  • Member For: 18y 6m 16d
  • Gender: Male
  • Location: Vic
Posted

Yes. May as well do more mods at the same time.

  • Like 1
  • Legacy Donating Member
  • Member For: 15y 26d
  • Gender: Male
  • Location: Gold Coast
Posted

yeah ok I thought so, next on my list is diff bush ha

  • Like 2
  • 2 weeks later...
  • Member
  • Member For: 14y 3m 12d
  • Gender: Male
  • Location: Hervey Bay
Posted

yeah ok I thought so, next on my list is diff bush ha

Sound's fun - Im in the same boat

  • I am dissatisfied with my current employment situation
  • Legacy Donating Member
  • Member For: 20y 8d
  • Gender: Male
Posted

I recently replaced my rear muffler due to the same problem and I didn't retune

  • Member
  • Member For: 20y 4m 9d
  • Gender: Male
  • Location: @ my laptop
Posted

any mod that affects airflow will normally require alterations to the tune

  • I am dissatisfied with my current employment situation
  • Legacy Donating Member
  • Member For: 20y 8d
  • Gender: Male
Posted

How can you tell the rear muffler was a restriction?

  • Legacy Donating Member
  • Member For: 15y 26d
  • Gender: Male
  • Location: Gold Coast
Posted

I'm not sure but looking up the guys of it there is no way its 3 1/2 inch. off to willow bank now

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