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Exhaust standart #1634140
23/07/2019 06:35
23/07/2019 06:35
Joined: Dec 2011
Posts: 49
spain
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patadaturbo Offline OP
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patadaturbo  Offline OP
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Joined: Dec 2011
Posts: 49
spain
Hi guys
Is it possible to exceed 300 hp with standard exhaust line in a 20vt? without catalyst

Last edited by patadaturbo; 23/07/2019 06:35.

20vt forever
Re: Exhaust standart [Re: patadaturbo] #1634147
23/07/2019 13:58
23/07/2019 13:58
Joined: Dec 2005
Posts: 17,201
Staffordshire
Nigel Offline
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Nigel  Offline
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Joined: Dec 2005
Posts: 17,201
Staffordshire
It is possible, but only just. The back-pressure will be very high, meaning that the turbo is having to work harder than it should. This in turn means the exhaust gas temperatures will be high

The first two or three feet of exhaust is the critical bit, so I would recommend you find a larger-bore downpipe as a minimum


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Re: Exhaust standart [Re: patadaturbo] #1634157
23/07/2019 20:33
23/07/2019 20:33
Joined: Dec 2011
Posts: 49
spain
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patadaturbo Offline OP
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patadaturbo  Offline OP
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spain
okay. Thanks.

I understand you. I will put a downpipe of 3, and also the intermediate section of 3, and leave only the standard silent end, not to make much noise


20vt forever
Re: Exhaust standart [Re: patadaturbo] #1634169
24/07/2019 14:27
24/07/2019 14:27
Joined: Dec 2005
Posts: 17,201
Staffordshire
Nigel Offline
Club Member 123
Nigel  Offline
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Joined: Dec 2005
Posts: 17,201
Staffordshire
You will probably need a centre silencer as well - the exhaust can be very "boomy" at cruising speeds with only a rear silencer


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