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Stroked and Blown
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2,395 Posts
Discussion Starter #1 (Edited)
Hello

Is a 2.5 inch true dual exhaust system okay for a 3.8 n/a with ported heads/intakes, underdrive pulleys, cam, etc?

Thanks

edit- Catalyic Converters and Exhaust Manifolds are stock.
 

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917 Posts
way too large diameter for the pipes get 2.25 and that will be better.
 

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Stroked and Blown
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2,395 Posts
Discussion Starter #3
way too large diameter for the pipes get 2.25 and that will be better.

Alright. BTW- the true dual system will be from the factory cats all the way back. I should have mentioned that earlier. The exhaust manifolds and cats are stock.
 

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Chapter Director Coordinator
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2.25 might still be too much :tongue:

it will flow more than the stock front section can do
 
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