HKS Hi-Power Cat Back Exhaust
Thread Starter
Registered User
Joined: May 2007
Posts: 92
From: Massachusetts
Car Info: 2007 Impreza 2.5
HKS Hi-Power Cat Back Exhaust
HKS Hi-Power Cat Back Exhaust, anyone know how this sounds on a 2.5i? and does it bolt up the way other cat backs do ie, does the flange need to be rotated?
http://www.oakos.com/Merchant2/merch...egory_Code=220
http://www.oakos.com/Merchant2/merch...egory_Code=220
Registered User
Joined: Feb 2007
Posts: 115
From: Pleasanton
Car Info: 2.5i N/A
the flange would be rotated and stuff would have to be adjusted in length. Also the piping will be too large in diameter so you will lose power. Try to stick with under 2.5 inch exhaust, anything bigger actually slows flow in an NA car.
Thread Starter
Registered User
Joined: May 2007
Posts: 92
From: Massachusetts
Car Info: 2007 Impreza 2.5
how much power am i going to lose? The only direct bolt on catbacks ive seen are the stromung ones and i dont like the look of the mufflers that they use. http://www.youtube.com/watch?v=wou33...eback%20Clin10
i like the sound of that, but how much power is going to be lost?
i like the sound of that, but how much power is going to be lost?
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