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Hey guys, I have an 09 250 hp challenger and I wanted to know what would be the hp gain if I added a dual exhaust, air filter, air intake, and a diablo predator?
 

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check with hemiwoman.
 

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2010 SRT8
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I have long tube headers, dual exhaust, CAI and custom tune and I picked up 29 rwhp. 175 rwhp with just predator tuner & cai. LT headers, dual exhaust & custom tune got 204 rwhp.
 
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