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Old 04-18-2009, 03:22 AM   #1
cant_you_beat_me
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Default 04 Cobra Exhaust

I just ordered the Slp loudmouth cb for my cobra. How much rwhp can i expect to get. I will be running the stock midpipe and headers. Other mods are just a pulley idk what size but im running what looks like 12psi of boost. How much rwhp should i about have with the pulley and exhaust.









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Old 04-18-2009, 10:10 AM   #2
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the catback doesnt add much.. maybe 10, i didnt do a before and after on dyno. i didnt notice anything really.... just alot of noise! Did you get the LM1? or the LM2?

if its just the pulley (and a tune im hoping) and a catback, i'd guess about 420-430hp.

I had a 2.8 pulley, K&N FIPK, C&L intake tube, Accufab throttle body and inlet, bassani catted X, and SLP LM2's with a predator tune and i was only making 450ish.
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Old 04-18-2009, 11:11 AM   #3
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I say 15-17. The stock system is very restictive and the tubes are all bent to hell. Well I know mine was.
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Old 04-18-2009, 04:05 PM   #4
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Yes it has a tune for the pulley. I ordered the slp loudmouth 1's. I dont need to retune just for the catback do i?


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Old 04-18-2009, 04:09 PM   #5
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no... you'll be fine.

but dear god have you heard the LM1's??????
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Old 04-18-2009, 05:17 PM   #6
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i have lm1s also, you'll get used to the loudness quickly and want a midpipe. Before you put the catback on polish the tailpipes!
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Old 04-18-2009, 06:38 PM   #7
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LoL the video on youtube got me hooked on it. The video title is 03 cobra slp loudmouth its a blue cobra. Sounds awesome. I dont think the sound will bother me. I have a 88 accord as my DD. I mainly take out the cobra on the weekends or for dates. I cant wait though!! Hopefully i will have them on by next wednesday or thurs.


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