Vehicle & Technical > Discovery

Cat free exhaust parts???

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barny:
Does anyone know when diesel cat law came in ? Mines had a new un fitted recently, but in the interest of squeezing more power from the 300tdi engine i'll quite happily swap it for something more willing !  8)

DiscoJim:

--- Quote from: "barny" ---Does anyone know when diesel cat law came in ? Mines had a new un fitted recently, but in the interest of squeezing more power from the 300tdi engine i'll quite happily swap it for something more willing !  8)
--- End quote ---


I am not sure that CATs are required on any diesels, if they are it will be fairly recent maybe 1998-2000 something like that.

rangerider:
Bullfrog has done a few discos with no rear box & a side exit, mine will be visiting him before the year end for the mod.

I think he hangs around on here, if not http://htp://www.bullfrog4x4.co.uk

Horness:

--- Quote from: "Cal" ---Do you notice much difference without the cat Horness?
--- End quote ---

None at all Cal, except my exhaust cost dropped to less than £125 end-to-end, fitted.  :wink:

I'm interested in taking mine to Bullfrog, but want to make sure I have the paint and rubber gromit to prep the hole when it's done, otherwise I'll never get round to doing it!  :lol:

Need a fuel tank guard first... don't fancy another dent in the tank.

Cal:

--- Quote ---None at all Cal
--- End quote ---


That's interesting - on the DOC forum, one of the guys said removing the cat would give better gains than getting rid of the mid section silencer.

I was thinking about getting one of the sports exhausts from Rimmer Bros which is from the cat back, but don't know how noisy it would be.

Also think that if I can afford it then a side exit makes much more sense for offroading.

Looks like we've got a similar list of planned mods Horness - HD rear bumper and fuel tank guard on mine too, and DP sliders waiting to be fitted (still!)

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