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Author Topic: What is it, about the 2.5 S6 TD?  (Read 2568 times)

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JamesV6CDX

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Re: What is it, about the 2.5 S6 TD?
« Reply #15 on: 24 February 2012, 22:37:39 »
Quote from: VXL V6 on 24 February 2012, 22:35:15
Decatting by gutting the innards of the Cat then welding the lid back on gets around that....  :-X

:y :D
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JamesV6CDX

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Re: What is it, about the 2.5 S6 TD?
« Reply #16 on: 24 February 2012, 22:38:58 »
Would there be any gain to de-catting the BMW lump, in the same way?, when it's chipped?
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VXL V6

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Re: What is it, about the 2.5 S6 TD?
« Reply #17 on: 24 February 2012, 22:47:36 »
Quote from: JamesV6CDX on 24 February 2012, 22:37:39
Quote from: VXL V6 on 24 February 2012, 22:35:15
Decatting by gutting the innards of the Cat then welding the lid back on gets around that....  :-X

:y :D

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Psychoca

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Re: What is it, about the 2.5 S6 TD?
« Reply #18 on: 24 February 2012, 22:57:11 »
about 4bhp...  Easiest performance boosts on the TD are the chipping and blanking the egr...  I looked into de-catting the cat, but, found that the performance increase was minimal... 

When I had the whoosing sound that you describe, it was the pipe had blown off the hard plastic turbo diesel piping at the front, but sounded like there was a blow in the exhaust too (when the bonnet was down)...  Broken EGR pipe is very noticible with the engine running and the bonnet open, also a huge loss of power and not a whoosing noise (just alot of noise), a cracked egr gave a hiss...

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