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#1 |
Regular poster
Rover 75 Join Date: Jun 2015
Location: Nantes
Posts: 37
Thanks: 1
Thanked 7 Times in 7 Posts
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![]() In France, aplogize, using Google translation
Good afternoon, I had a complete line assembled (mine was ok but was starting to be quite oxidized) taken from ebay. 150 € per line (doubled final exhaust was indicated and smaller but seemed well made). Assembly, no problem but on the other hand at certain speeds (around 2,200 very/min) it is very noisy (at stabilized speed 90 / 110 / 130 is fine). Feels like you're driving a Mustang at times. Have any of you had this problem and resolved it? I quickly saw on the forum that some members had blocked one of the two pot outlets and that this did not pose a problem and apparently solved the problem, including one with a... sock, or to test, a potato. Others would have rolled it up and inserted (marine) fiberglass into it. Well, I want to but I don't really see how to fix it without it coming out. Otherwise, a collar around an outlet and a piece of sheet metal or something else? Another possible avenue also given the different shape of the pot, it may resonate in the bumper, I have to look more closely when the fleet will stop falling every 5 minutes here (west). The previous owner had installed two chrome bits but there, if replaced, it touched the bumper. Risk of melting of the bumper? Otherwise, simpler, I block an outlet of the tip if I put it back. (I went to the garage the next day to retrieve my old line in case I didn't get used to the noise or couldn't find a solution. It's not that damaged in the end. With a brush of wire, rustol if it can withstand the heat and black ht paint on the final exhaust + visible and not very clean - the previous owner had it replaced but with a second-hand one not very clean but not pierced, for the inspection - than the adaptable) Thanks. |
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#2 |
Posted a thing or two
rover 75 club se Join Date: Apr 2011
Location: Leicester
Posts: 1,751
Thanks: 358
Thanked 419 Times in 310 Posts
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![]() There are other back box options on ebay uk. The best one that i saw was the KLARIUS (clam shape) silencer. ( 170 Gbp )The original back box was very quiet , but no longer available. If your old one is reservicable try that again. Your problem mainly seems to be a result of very little silencer baffles on the aftermarket exhaust system that you have fitted. You may have to live with this noise now. The original twin tail pipes , were angled downwards to avoid plastic bumper heat, and others that were straight had a metal heat strip fitted inside the bumpers edge (190 180 )versions to avoid heat damage to the rear bumper .You could fit an extra silencer on to the main system along its length, but i still think that it will be noisy. Can i ask why the exhaust was changed ? The original rover exhaust was stainless steel,and should not have rusted through. Not ruling out damage ,it was better left alone !! If you went to an exhaust garage that fits made to measure stainless steel systems,they may be able to advise you what to do ....
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#3 |
Posted a thing or two
rover 75 club se Join Date: Apr 2011
Location: Leicester
Posts: 1,751
Thanks: 358
Thanked 419 Times in 310 Posts
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![]() Also , the chrome bent down exhaust tips were available to buy , to fix to the ends of the tail pipes, to avoid heat to the bumper plastic,if you do a search. Not sure if rimmer bros still have them available or not. good luck...
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#4 |
Regular poster
Rover 75 Join Date: Jun 2015
Location: Nantes
Posts: 37
Thanks: 1
Thanked 7 Times in 7 Posts
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![]() It's this model :
Told (translated) " The silencers we sell are made of quality steel aluminized on both sides. In addition, they have another layer of sheet metal, so called "silent in silencer", to ensure a better lifespan!" https://www.ebay.fr/itm/271774453076 Thanks. I'll have a look to see if i can improve. Sender responsive but... in Poland. Last edited by 900xj; 17th May 2024 at 20:36.. |
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#5 |
Posted a thing or two
rover 75 club se Join Date: Apr 2011
Location: Leicester
Posts: 1,751
Thanks: 358
Thanked 419 Times in 310 Posts
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![]() Another thing to bear in mind , is that the diameter of the exhaust . 2.0 kv6 2.5 kv6 and 190 kv6 are all different diameter. Which can cause a problem to join to the back box .
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#6 |
Avid contributor
Rover 75 Saloon Join Date: Sep 2020
Location: POOLE
Posts: 138
Thanks: 24
Thanked 44 Times in 27 Posts
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![]() When I first got got my 1.8t it sounded awful, boomy and rough. Thanks to members on here who said how quiet the car should be I took the risk of buying a clamshell type which is what the OE spec looked like.
Super quiet now just as it should be - sorry can't remember the make, my local factor supplied it. The original one fitted when I bought the car must have been a cheapy - it wasn't clamshell and I think half the guts were missing internally. I think the op will have fun and games in France getting the right spec. |
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