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Discussion Starter · #1 ·
Want to get some views on what you think I will run when the truck is dyno'd.

Mods:
Lightning Magnaflow catback
Magnaflow high flow mid pipes
2.90 upper
4 pound lower
Ported upper plemum and ported throttle body
Metco cold air
Tuned my SCT

Future mod when ready to full the bottle:
75 shot NX

I have read diferent threads on what people claim they get with these mods minus the mid pipes and ported plenum
So I am guessing between 380 and 390 RWHP.

Throw your guesses up and when it dynos on the 22 of Jan I will post the numbers.
 

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Hmmm... svtjay I think dynoed at 405 on 91 octane with your mods + an Apten & efan.
Guessing that the Apten gave him 25 hp and the midpipe should equal out to the efan mod, I'd say that you might be at 375-380 rwhp.

Keep in mind that trucks out here in CA running on 91 octane gas generally run about 10-15 hp less than those on the east coast.
 
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