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i looked at my sheet. boost goes up to 11psi and at the end it drops to 9psi. i am not sure if i have a exhaust since its not loud or quiet.

lol what u mean you dont know if you have an exhaust? haha, wouldnt it be pretty obvious if you have an aftermarket exhaust or not lol

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Look Under Ur Car Man...

See if it looks Big or not hehe...

I think the Stock Dump n Front Pipe r Covered Up... sorta like a HeatShield..

When u look under ur Car.. n c the Pipe from the Cat all da way bak to the Tip is bigger compared to the Pipe after da Cat.. then it's Cat Back System

Otherwise if it's all the way Through then it's a Turbo Back hehe :(

-SeSaR

Edited by Black_CSR
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all i can see on the front is the word motor which i think rest of it should say nissan something like that. i guess i have the stardard one.

stock turbo with hks acutotor (spelling)

im guessing the reason why your boost drops off is due to the size of the stock rb20 turbo.

i was running one on my rb25 and i was running 0.8bar (12psi) and above 5000rpm the boost would drop down to around 0.5/0.6bar

michael

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how can this be stoped?? or do i have to get a bigger turbo??

Boost controller may do it, but not a bleed valve. Its just the turbo running out of airflow, a bigger one would help (maybe RB25?). Mine drops from 13 down to 11ish with a bleed valve

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