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Helo, Need Advice on Exhaust choice

SeanVZute

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Hi Everyone,

I'm not sure whether I should put a 2.5" straight through from the cat back or twin 2" from the cat back.

would the twins be to large?

Its just the 175kw v6 alloytec engine and I'm not sure which would be better.

Any help would be great.
 

Archers

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Hi Everyone,

I'm not sure whether I should put a 2.5" straight through from the cat back or twin 2" from the cat back.

would the twins be to large?

Its just the 175kw v6 alloytec engine and I'm not sure which would be better.

Any help would be great.
ay m8 i heard twin is no good for the 175 so i went single 2/5 with rear ressy so its very quite and with my extractors its a nice increase in bottem end and no excess noise, just my thoughts and choice.
 

Not_An_Abba_Fan

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I agree. Twin is too big for the 175, go a single 2 1/2".
 

SeanVZute

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yeh i was thinking the twins might be too big. thanks for the advice
 

bezz

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ay m8 i heard twin is no good for the 175 so i went single 2/5 with rear ressy so its very quite and with my extractors its a nice increase in bottem end and no excess noise, just my thoughts and choice.
any change in fuel consumption?
 

Archers

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VZMAX

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m8 go with a single 3" ive got same on my svz...gave me good sound, good power increase above 2500 rpm and small increase in fuel efficiency..
 

murph_1989

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I have a twin cat 2.5" system.
its got 3 mufflers but still is sooo loud

i like it though
 
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