All Things Mk5 > Performance Modifications
Pre Cat removal
Janner_Sy:
--- Quote from: the bruce on January 14, 2013, 07:25:38 pm ---
BTW, the coming Mk.VII GTI will have only ONE cat, which is close to the turbo.
--- End quote ---
Thats exactly what it is like on the 1.4TSI. The cat is within a few inches of the turbo.
Timvgti:
Ok, so besides 'the bruce' I only read positive experiences with the precat removed.
In my situation I have a stage 1 (Abt) mk5 gti, with stock exhaust except the middle resonator (I replaced it with a Simons sport resonator and sound is excellent!) and I have no plans for stage 2.
Guess the removed precat will be a good and noticeable mod for me?!
Janner_Sy:
--- Quote from: Timvgti on January 14, 2013, 08:24:47 pm ---Guess the removed precat will be a good and noticeable mod for me?!
--- End quote ---
I would say so. I see no downside to it.
Less back pressure, lower exhaust gas temperatures, more longevity, free of charge, small power gain, quicker spool
Dan.b:
--- Quote from: Timvgti on January 14, 2013, 08:24:47 pm ---Ok, so besides 'the bruce' I only read positive experiences with the precat removed.
In my situation I have a stage 1 (Abt) mk5 gti, with stock exhaust except the middle resonator (I replaced it with a Simons sport resonator and sound is excellent!) and I have no plans for stage 2.
Guess the removed precat will be a good and noticeable mod for me?!
--- End quote ---
What's the deal with a Simons sport resonator?
zerolag:
--- Quote from: Janner_Sy on January 14, 2013, 08:23:38 pm ---
--- Quote from: the bruce on January 14, 2013, 07:25:38 pm ---
BTW, the coming Mk.VII GTI will have only ONE cat, which is close to the turbo.
--- End quote ---
Thats exactly what it is like on the 1.4TSI. The cat is within a few inches of the turbo.
--- End quote ---
Cost cutting measure then?
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