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Help! Cat back fitted, now have problem!

  • Thread starter R21FRMk4
  • Start date Sep 25, 2019
  • Tags
    act customs exhaust leon tsi
  • Forums
  • SEAT car forums
  • Leon
  • Leon Mk3 (2012-2020)
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R21FRMk4

R21FRMk4

Sep 18, 2019
1
0
  • Sep 25, 2019
  • #1
Have had a custom cat back fitted by a reputable company, but now when the car activates Act at cruise speed, I get a deep growl, through the vehicle... Only when eco on dash and act on...

Any advise? Any recommendations?
64 plate Leon fr 1.4tsi
Cheers
 
Deathjam

Deathjam

Active Member
Aug 24, 2015
134
58
Leeds-ish
  • Sep 25, 2019
  • #2
You sure they didn't put an actual cat in there?
 
  • Like
Reactions: williamxb and Legojon
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