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Discussion Starter · #1 ·
I'm wondering if anyone that has done exhaust mods noticed any boost loss?
If so how much and could we change out pulley to bring it back up with out tuning?
 

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Discussion Starter · #3 ·
I know Metco has a Hellcat Upper Supercharger Pulley Kit 3.10" adds 1.5 PSI I wontder if this would need a tune or would adjust enough to see the real gains from the exhaust?
 

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Asking good questions. I thought adding after market exhaust with high flow cats would add horsepower. If making an exhaust mod results in lower boost, I would think we would lose power.
 
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