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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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Volvo Amazon Exhaust systemViews : 2664 Replies : 25Users Viewing This Thread : |
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Jul 6th, 2023, 08:03 | #1 |
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Volvo Amazon Exhaust system
Hi
I have a 1968 123GT and am trying to get a decent exhaust sound from it. It has a new simons exhaust system on it which sounds of nothing. I removed the back box which did increase the sound but it is not a nice sound. I heard that the long silencer on the simons exhaust dampens down the sound a lot. It looks like it has stock exhaust manifold on it. Could someone who has experience please advice. Is there a better system that produces a nice sound on acceleration that will note drone? I could not find much for the amazon. Is it a question of having a custom system made and if so could you advice a place. I have had bad experiences with other cars where they have made an awful system. Thanks |
Jul 6th, 2023, 19:33 | #2 | |
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Jul 6th, 2023, 22:20 | #3 |
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I’ve got a 2 inch power flow on my Amazon, and when it’s running it’s got a really dense burble, brilliant exhaust that’s I’ve kept since doing a resto on the car. Motor is over 2ltr twin carb
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Jul 9th, 2023, 20:03 | #4 | |
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Thanks for the help |
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Jul 10th, 2023, 18:46 | #5 |
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Amazon exhaust
I have used Simons exhausts for years. I have found that the sound can vary from one system to another.
Deletion of the centre resonator box does not make that much difference to the sound and have not experienced droning myself doing this. In fact one of my Amazons is louder with the centre section than the one without! Looking at your user name I ask whether or not you use or plan to use your car in classic rallying? If so you do not want to fall fowl of the noise restrictions under the MSA event regulations by having too loud a sound and then being prohibited from competing. My rally Amazon has a straight centre pipe and specialist made rear section/silencer. The benefit of this is that it can be made to fit much tighter to the body and stronger if it gets hit on unmade roads. |
Jul 11th, 2023, 01:52 | #6 |
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Abarth, the gold standard from the sixties…
New, with 2” inlet. For Sale, expensive.
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Jul 17th, 2023, 21:00 | #7 | |
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I wonder what system the Targa Tasmania Amazon has. https://www.youtube.com/watch?v=-YNATT9J0Nw&t=232s This sounds nice. I appreciate the engine must be tuned but if I could mimic this exhaust it should sound good. I am not looking to rally the car professionally but am very interested in the Hero events and similar. |
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Jul 18th, 2023, 16:11 | #8 |
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Volvo Amazon Exhaust
Both Hero/ERA and HRCR events have noise limits. These are usually much quieter than stage rally limits.
If you go onto the technical pages of these sites the noise limits are usually detailed. Before you go spending lots of cash can you measure your current noise limits? With your current rear box and the middle expansion box removed. You can get a free app for a noise meter or pay for a more expensive one which will give you a reasonable guide as to the present noise levels. If the current reading is around the limits on the above sites you will be wasting money purchasing something that's louder than allowed and negating your ability to enter one of the events. Hero/ERA said to me that normally any car set up to HRCR (Historic Rally Car Register) regulations will be able to comply with Hero regulations. Hope that is of help. Don't waste money for the sake of a tune!! The business here that did my exhaust is too far away from you to be much assistance. |
Jul 19th, 2023, 17:21 | #9 |
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For Chris…
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Jul 21st, 2023, 13:35 | #10 |
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What carbs are you running? Side draft carbs sound more sporty and aggressive and maybe the sound you are after? The B20 with SUs do sound a bit like a tractor.
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amazon exhaust sound, exhaust, exhaust sound, exhaust system amazon, volvo amazon exhaust |
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