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Discussion Starter #1
Getting a new exhaust soon. I still have the old but reliable 1.8 which is currently chipped, getting a new autotech cam and will soon have dual outlet manifold and DP. What would be the appropriate sizing? keeping in mind that I have a 5th gear overdrive so highway is somewhat out of the question. Would 2" give me more torque without sacrificing hp? Or is it better to have a 2.25"?
 

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Re: Exhaust Size Q... (dubraycer36)

2 1/4 " (2.25") it is the best thing, 2 1/2"(2.5") or more it is for turbocharger or VR6
 

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Re: Exhaust Size Q... (Mr. Knappy)

Will I see any gains or losses in using 2.25"? An exhaust shop told me with the power I am aiming for 120hp... That 2.25 will reduce torque... Is he talking out of his ass?
 
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