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Old March 18th 10, 10:07 AM posted to alt.autos.alfa-romeo
Dave Savage[_3_]
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Posts: 62
Default Bypassing Cat Convertor


"Catman" > wrote in message
...
> Malcolm Osborne wrote:
>> My 156 2.0 TS is of 1999 vintage, with 275 000 Km on the clock.
>>
>> I'm sure the catalytic convertor in the exhaust system provides little
>> more than back pressure these days. A replacement would be too expensive.
>>
>> Our local regs do not insist on these things (though most new cars do
>> have them).
>>
>> Has anyone removed their cat convertor - replacing it with a straight
>> piece of pipe? A slight bit of power boost may result.
>>
>>

>
> Not on a 156 that I know of, but it certainly used to quite common over
> here.
>
> --
> Catman MIB#14 SKoGA#6 TEAR#4 BOTAFOF#38 Apostle#21 COSOC#3
> Tyger, Tyger Burning Bright (Remove rust to reply)
> 116 Giulietta 3.0l Sprint 1.7 GTV TS GT 3.2 V6
> Triumph Sprint ST 1050: It's blue, see.
> www.cuore-sportivo.co.uk


So what happens when you go for an MOT then ? Fail / hurried replacement
of cat ??

Dave S...


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