jimmixr Donating Members 686 Member For: 14y 5m 9d Posted 03/10/12 11:36 PM Share Posted 03/10/12 11:36 PM Nizpro cooler only comes in one size.. Big. Definitely 3inch cold side. Initially I was concerned about the size but after come research I was confident it would be ok. Throttle response is bordering ridiculous down low. Feels like a big block off idle.And I suppose you can say IVe future mod proofed it.Smaller turbo is more than capable of filling the cooler. We musnt forget the 4ltr is quite large in the turbo world. They pump alot of air.. Link to comment Share on other sites More sharing options...
pac23 Member 103 Member For: 12y 9m 2d Gender: Male Location: Sydney Posted 04/10/12 05:38 AM Author Share Posted 04/10/12 05:38 AM I think I will pop into my local exhaust shop and get the cat checked out.Is the flapper upgrade worth doing. I can get the housing modded for $350 and I already have a 12psi actuator. Do you notice much difference with the bigger flapper?Thanks for all the replies.. Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 8m 1d Gender: Male Location: @ my laptop Posted 04/10/12 05:51 AM Share Posted 04/10/12 05:51 AM still will not hold high boost in the top end Link to comment Share on other sites More sharing options...
pac23 Member 103 Member For: 12y 9m 2d Gender: Male Location: Sydney Posted 05/10/12 09:39 PM Author Share Posted 05/10/12 09:39 PM Not after huge boost as I am not doing the exhaust. Only the cat and possibly 4inxh dump. So 15 in the mid tapering to 13 will be more the. Sufficient but will the standard actuator be enough for this or should I refit the 12psi and should I do the flapper??Thanks Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 8m 1d Gender: Male Location: @ my laptop Posted 06/10/12 01:11 AM Share Posted 06/10/12 01:11 AM what does your tuner recommend? Link to comment Share on other sites More sharing options...
pac23 Member 103 Member For: 12y 9m 2d Gender: Male Location: Sydney Posted 10/10/12 11:59 AM Author Share Posted 10/10/12 11:59 AM He recommend exhaust doesn't sound right. So maybe the cat. I was just considering whether it is a worthy mod before taking it back to him. Can get the flapper for only $350. And have an actuator. Just need to fit it... Link to comment Share on other sites More sharing options...
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