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at the moment my car has a spoon n1 exhaust but i will be putting a turbo onto a d15 project soon and would like to know what people think. for best results would i be better losing the n1 and putting something abit bigger say 4" buddy club exhaust etc?
im not sure how the small size of the n1 will cope with a turbo even though its flow rate is excellent would the size matter? i dont really want to lose the n1 but if it would be better to do so for a turbo conversion i may have to.
any suggestions welcome.
 

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i'm assuming that spoon is 2.25? roflcopter @ 4" exhaust. What are your power goals? since it's a d15 i'd assume ~200whp? for that amount of power a 2.5" would be nice; or go for a 3" and don't worry about upgrading down the road...
 

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do you have a high flow cat as well? im not sure what all is included with the n1. yeah 2.25 is fine definately no bigger than 3". 4"???? wtf? do you mean the tip on the exhaust? big tips dont change flow lol 4" is a ricer fart cannon imo...
 
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