adam300tdi
Active Member
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- 639
On my old 300 there was a cat a middle box and a back box.on my new 1 its got no cat but the big middle box says catalyst.has it got a decat pipe or is the middle box the cat.dnt no if in bein stupid here or not
300tdi cat
- Thread starter adam300tdi
- Start date
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jamesmartin
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- louth lincs
cat would be in the down pipe if fitted
adam300tdi
Active Member
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Some 1 must have alredy swapped it.how loud will a disco b with no boxes or cat.will it loose abit of power
jamesmartin
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- louth lincs
it wont loose power thats for sure ,id leave rear box in to start with and try it ,most ive done havent been ridiculously loud
adam300tdi
Active Member
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Its a bobtail so theres no back box so it ul b completely straight thru.but reading up on it alot of people have straight thru exhausts.so im guessing it ul b ok
jamesmartin
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- louth lincs
turbo does use some of the energy that would be noise
adam300tdi
Active Member
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What?
I had a 300tdi with a cat and a straight through. Didn't notice much different in terms of noise till I took the cat off. Fcuk me! I had all the old grannies moaning every time I started it. Was too loud for me and a crap radio so couldn't even turn that up to drown the noise!! Put the back box on and it was sweet as a nut. Sought advise off here and there seemed to be mixed feedback on the noise issue so I think it's just trial and error to get it how you want it.
Glb8686
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- Birkenshaw, West Yorks
Decat plus middle and backbox here and its just nice. Can hear the turbo spool through the exhaust which is cool!
adam300tdi
Active Member
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- 639
At the minit mines just got a middle box.its not loud at all.but middle boxes r quite big lol
