20v NA decat

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20v NA decat #1107795 27/09/2010 18:26 27/09/2010 18:26
Joined: Apr 2008 Posts: 429 Sheffield fiatcoupemad OP Enjoying the ride
fiatcoupemad OP Enjoying the ride Joined: Apr 2008 Posts: 429 Sheffield	evening all. was just wondering what it would sound like decatting a standand exhaust? good idea or bad? thanks 70K Steel Grey LE, Duffy old Coupe and A stunning 3.0 GTV. The wife is not happy

Re: 20v NA decat [Re: fiatcoupemad] #1107822 27/09/2010 19:40 27/09/2010 19:40
Joined: Apr 2008 Posts: 429 Sheffield fiatcoupemad OP Enjoying the ride
fiatcoupemad OP Enjoying the ride Joined: Apr 2008 Posts: 429 Sheffield	any ideas? 70K Steel Grey LE, Duffy old Coupe and A stunning 3.0 GTV. The wife is not happy

Re: 20v NA decat [Re: fiatcoupemad] #1108888 29/09/2010 18:15 29/09/2010 18:15
Joined: Apr 2008 Posts: 429 Sheffield fiatcoupemad OP Enjoying the ride
fiatcoupemad OP Enjoying the ride Joined: Apr 2008 Posts: 429 Sheffield	bump 70K Steel Grey LE, Duffy old Coupe and A stunning 3.0 GTV. The wife is not happy

Re: 20v NA decat [Re: ] #1108910 29/09/2010 18:47 29/09/2010 18:47
Joined: Apr 2008 Posts: 429 Sheffield fiatcoupemad OP Enjoying the ride
fiatcoupemad OP Enjoying the ride Joined: Apr 2008 Posts: 429 Sheffield	but would affect the performance. i mean i have had modded 20vt before and i no turbo cars like no or very little back pressure but im not sure about an NA 70K Steel Grey LE, Duffy old Coupe and A stunning 3.0 GTV. The wife is not happy

Re: 20v NA decat [Re: fiatcoupemad] #1108913 29/09/2010 18:49 29/09/2010 18:49
Joined: Dec 2005 Posts: 33,794 Berlin barnacle Club Member 18 - ex-Minister without Portfolio
barnacle Club Member 18 - ex-Minister without Portfolio Forum Demigod Joined: Dec 2005 Posts: 33,794 Berlin	No. If you decatted it (illegally) then you'd need to put something in the same place - an expansion box perhaps - to ensure that the system had the same acoustic properties. Without that, the exhaust would resonate at a much lower frequency and completely screw up the scavenging from the cylinder. Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

Re: 20v NA decat [Re: barnacle] #1109013 29/09/2010 21:43 29/09/2010 21:43
Joined: Aug 2000 Posts: 9,840 Zele, Belgium Kayjey Club Member #10
Kayjey Club Member #10 Je suis un Coupé Joined: Aug 2000 Posts: 9,840 Zele, Belgium	Don't. It needs back pressure. - Kayjey -