Any issues with moving the front cat down stream?
Any issues with moving the front cat down stream?
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Discussion

TrackPredator

Original Poster:

31 posts

205 months

Tuesday 17th November 2009
quotequote all
I am thinking about adding the ability to easily replace the catalytic converters with replacement pipes via VBand clamps.

The problem is with the location of the front cat, and the in/out pipes with the tight bends. It looks like the easiest solution would be to move the front cat further down stream and towards the rear of the engine compartment.

Does anybody know of any issues with this idea? assuming appropriate heat shielding.? (outside of the cat being moved may take slightly longer to heat up and become efficient?)

Where the cat currently is would be a straight through pipe, heat / turbo issues?

Cheers!

Gadgeroonie

5,362 posts

265 months

Tuesday 17th November 2009
quotequote all
cut them out and fit a decat pipe

TuxMan

9,011 posts

267 months

Tuesday 17th November 2009
quotequote all
can you buy a direct replacement cat anywhere ? to weld or bolt in ..

Mike Tuckwood

1,261 posts

228 months

Tuesday 17th November 2009
quotequote all
TrackPredator said:
I am thinking about adding the ability to easily replace the catalytic converters with replacement pipes via VBand clamps.

The problem is with the location of the front cat, and the in/out pipes with the tight bends. It looks like the easiest solution would be to move the front cat further down stream and towards the rear of the engine compartment.

Does anybody know of any issues with this idea? assuming appropriate heat shielding.? (outside of the cat being moved may take slightly longer to heat up and become efficient?)

Where the cat currently is would be a straight through pipe, heat / turbo issues?

Cheers!
I would guess the main one would be it would be less efficient further downstream?
Depending on which cat you used for it too.
Cat's have a "light up temperature" they need to reach before they're working correctly/at all.


Mike.

Stella Artois

556 posts

229 months

Tuesday 17th November 2009
quotequote all
TuxMan said:
can you buy a direct replacement cat anywhere ? to weld or bolt in ..
Talk with Ian at H&S they do a range of replacement cats for it.

andygtt

8,345 posts

293 months

Wednesday 18th November 2009
quotequote all
TuxMan said:
can you buy a direct replacement cat anywhere ? to weld or bolt in ..
Yes, around £300 a pair of freeflow ones to you sir... they would be weld in jobbies tho

TuxMan

9,011 posts

267 months

Wednesday 18th November 2009
quotequote all
andygtt said:
TuxMan said:
can you buy a direct replacement cat anywhere ? to weld or bolt in ..
Yes, around £300 a pair of freeflow ones to you sir... they would be weld in jobbies tho
Andy , where from ?? been quoted £900+vat to supply and fit into the down pipes !!!

andygtt

8,345 posts

293 months

Wednesday 18th November 2009
quotequote all
Blimey... ring paul as I suspect he could make a you new pair AND decat your existing ones and fit flexis for that kind of money lol

07779561613

Pauls the one that made the entire system for my car from the turbo back... it has free flow CATs and straight through titanium mesh silencers which produces 97db @ 5000rpm measured half meter away.... I was very happy