k24z7 K & N typhoon air intake

Darkout

Well-Known Member
1,107
807
Cocoa, FL
Vehicle Model
Civic Si
Body Style
Coupe
3.5" with flashpro has been repeatedly the only way to gain HP with a k24. rest will lose HP or just for sound really. Also a 3.5" with no flashpro can cause damage to your catelitic conveter quick
 

squiggy

Cartographer
Super Mod
11,183
6,654
Michiana
Vehicle Model
'12 Civic Si
Body Style
DBP II Coupe
here is dyno from K & N
Estimated Horsepower Gain:+10.59 HP @ 5400 RPM

Yeah, no. Independent tests cannot replicate K&N's marketing dyno sheet.

Best case scenario: No power gain
Worst case scenario: Power loss
 

Darkout

Well-Known Member
1,107
807
Cocoa, FL
Vehicle Model
Civic Si
Body Style
Coupe
Sounds good sells, but honest truth makes repeat customers. Not all K&N products are "stretching" the truth but research and testing has proven again and again what works. If they can make a proper 3.5" with a tune I'm sure it'll make power gains
 
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