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Old 07-29-13, 12:16 PM   #1
ferraribuy
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Default ISF midpipe cat delete adds 30Hp?

Will a mid pipe that deletes the cats and resonator rally add 30Hp? I can get one on ebay for $700 and thats what hes claiming with dyno sheet. I really want the sound benefit also but does anyone have experience in this? I have a GTR that I did a midpipe swap and the sound was unreal totally worth it.
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Old 07-29-13, 12:32 PM   #2
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just get a borla catback for around $900 new. IMO.
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Old 07-29-13, 01:25 PM   #3
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A lot of people have removed 2nd cats AND mufflers and the sound is great (I previously had it done), BUT 30hp is wishful thinking. 15-20 MAX on a good day would be my guess. Plus, just a midpipe won't do much with those stock mufflers in place. I had headers and deleted 2nd cats with stock mufflers and the car still sounded stock for the most part. Those stock mufflers REALLY work. The GT-R sounds a lot better with just a midpipe, but won't be the case in this car. I never did a midpipe on my GT-R, but oh that tune!
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Old 07-29-13, 01:29 PM   #4
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borla and joe z exhaust makes 20 tops... your in the wishing territory
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Old 07-29-13, 02:03 PM   #5
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Originally Posted by BS ISF View Post
just get a borla catback for around $900 new. IMO.
i dun see no where even on ebay would sell for $900 give me the link O.o
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Old 07-29-13, 02:22 PM   #6
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well you got that right. around a grand with free shipping.
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Old 07-29-13, 05:27 PM   #7
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No way you get 30 from that, I'd say closer to 6 whp without the cats and I dont think deleting the res will help at all.
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Old 07-29-13, 06:12 PM   #8
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i dun see no where even on ebay would sell for $900 give me the link O.o
I saw it for 900 on Summit Racing not to long ago.
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Old 07-29-13, 06:29 PM   #9
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Wanna hear my Borla and Sikky combo? I see that you are from MN as well..
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Old 07-30-13, 07:01 AM   #10
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Wanna hear my Borla and Sikky combo? I see that you are from MN as well..
Yes send my video link with sound! or in person. Yeah I dont know if I want to sell this and get a new M5 or start throwing some cash at it and make it sound awesome?
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Old 07-30-13, 07:05 AM   #11
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^^^I have the same setup and it is worth hearing in person if possible.
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Old 07-30-13, 12:47 PM   #12
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Yes send my video link with sound! or in person. Yeah I dont know if I want to sell this and get a new M5 or start throwing some cash at it and make it sound awesome?
Let me know when. I might be going to C&C this weekend. I wanna see your GT-R as well. I am planning to get a 2012 or 2013 next year. Send me a PM if you are interested to meet up there or anytime.
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Old 07-30-13, 04:17 PM   #13
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This was my dyno result done in 6th gear with Borla catback, PPE headers and high flow cats. Note that this isn't a dynojet so the numbers are more realistic.

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Old 07-30-13, 04:23 PM   #14
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Originally Posted by Lexura1414 View Post
Let me know when. I might be going to C&C this weekend. I wanna see your GT-R as well. I am planning to get a 2012 or 2013 next year. Send me a PM if you are interested to meet up there or anytime.
Thats right cars and coffee this weekend. If its nice Ill bring my Ferrari and Ill find you I want to hear your car. The last post has a dyno of 368Hp. Isnt a stock car 350rwhp?
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Old 07-30-13, 04:24 PM   #15
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Originally Posted by RecursiveL View Post
This was my dyno result done in 6th gear with Borla catback, PPE headers and high flow cats. Note that this isn't a dynojet so the numbers are more realistic.


Whats the improvement over stock? I dont know what a stock ISF dyno would pull?
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