Mud-club
Chat & Social => The Bar - General Chat => Topic started by: wheels244 on May 18, 2008, 22:27:16
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At Driffield I purchased stainless downpipe to remove the CAT, also stainless middle pipe that gets rid of the centre box for my 300tdi Discovery.
I was going to put a stainless rear pipe with silencer on, but have started thinking - do I need a rear silencer ? Would a straight through pipe pass an MOT?
Would it be too loud ? I'm thinking the turbo knocks most of the noise out.
What do you think ?
Anyone else done it ?
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yes we had a customer with a disco 300, which had a straight through 4" bore exhaust and had de-cated passed 5 MOTs
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I've got a straight through pipe on my 300tdi, Never had a problem with the MOT and it sounds loverly :D
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Thanks Ben
4" :shock:
I think mine is 2".
What did that one sound like ? I don't want mine to sound like a tractor 8-[
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Cheers Paul.
I think you've just swung the idea of fitting a side exit exhaust with no silencing :dance:
Out with the TIG welder :D
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when finished can we have a youtube sound recording :lol: :lol:
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yes it sounded mean, didnt sound like a tractor from what i can remember
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All the ones I have heard sound like a tractor, and rightly so they should! Proper diesel engines. :wink:
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my 200tdi runs a bodged up 2.5" side exit exhaust,
the turbo muffles most of the noise til you open the throttle :twisted:
mine has apparently caused small children to spontaneously burst into tears :D
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my 110 Doublecab has a straight thru with side exit..sounds awesome and ya can hear the tweeked turbo whilst....like a diesel train :grin:
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My v8 disco have only got the cats on, the rest is straight through with a side exit. Sounds sooooo much nicer than the 300 tdi it was on last :afro:
Gavin.
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I suppose a diesel through a straight through pipe would sound infintely better than a dustbin sized rear box on a 1.4 Saxo.
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A tuned TD5 with straight through pipe sounds like this
http://www.youtube.com/v/u7UOakf6_vQ&hl=en
On my 90 I had the same exhaust system but with a silencer as I was advised the setup in the video was a bit noisy to live with.
Ben
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That TD5 sounds just like one of the tractors at the farm, just slightly higher pitched! :dance:
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I cant remember what the date is, but im 99.99% sure that vehicles manufacturer after a certain date MUST have a CAT fitted to pass an MOT, EVEN IF it passes on Emissions, technically a visual check must be made to see if its in place. That said I know a few people with Elises that have never had a problem!
Can anyone confirm that date?
You can just knock the middle out of a duff cat, I had to do that at a race last year when my cat blew apart in practice. Looks like a cat form the outside but no restriction on the inside.
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dont know about the date but we always had to refit the cats to get them through the emission test, makes a big difference to a petrol .totaly different test. ive not got one on mine no probs doesnt alter the smoke test as i know but you may be right . might be a similar thing to the anti roll bar thing... took them off too. alan..
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I dont believe there is any requirement to fit a catalytic convertor on a car in the UK. Although to meet the emissions levels on a modern petrol engine I think its virtually a requirement. On a diesel engine you can remove the cat with no issues.