All Things Mk5 > Performance Modifications

Hi flow cat

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craig_t:
Does anyone run a hi flow sports cat with the stock gti cat back system. If so what sort of noise and performance dies it give??

Janner_Sy:
yes i hav ran this and the full system.  doing it this way means you get ALL of the performance gains, with a nice little increase in the burble.  if you were to add the cat back ontop, you get more noise and that is it, negligible performance gains in my experience

craig_t:
Does the volume of the stock system go up alot? I love the sound as it now. I'm only getting the sports cat and down pipe so I'm ready for stage2. Has anyone run stage 2 on standard cat back??

PDT:
We have fitted a lot of downpipes onto the stock system lately, works really well. Sounds a bit different but not much really, more so under high rpm.

If you need a downpipe we now have 5 in stock (ordering mistake) and may sell them off at a good price if we can get orders for all 5 off here.

mlr55:
Hmmm discount price...talk to me!

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