BBK headers and y pipe to Kooks 1 7/8 and dual exhaust

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12-31-2012, 12:30 PM

#21

KH504

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Quote:

Originally Posted by lemons12

How did the tone - LOUD as Hell /quality - Great and not bad to install with two people./etc change? Just curious..

All in all I'm happy with the system.

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12-31-2012, 12:30 PM

#22

spicebird98

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Congrats on the new found power, thats alot through an auto. I really like this setup and the car itself. In for results.

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01-03-2013, 03:32 PM

#23

KH504

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Dyno Comparison

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01-04-2013, 01:18 AM

#24

yonerhottlt1

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Great gains especially through the auto.

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01-04-2013, 01:34 AM

#25

adamantium

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The stock i pipe isn't even 3" IIRC i think its like 2.75" or something. Great results!

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01-05-2013, 09:23 AM

#26

DaFireMan

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Great gains Kev. The local guys are gonna think you have a ls2 in the car for sure now!

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01-05-2013, 09:24 AM

#27

DaFireMan

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Be sure to update track results!

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01-06-2013, 08:03 PM

#28

raysadude

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Quote:

Originally Posted by KH504

Dyno Comparison

is it my eyes or that dyno sheet didn't show 466/435

regardless. Very nice gain from changing the exhaust setup.

when i ditched my mac 1 3/4 midlength to hookers 1 7/8 i only gained 5 rwhp and 5 rwtq, i'm guessing maybe because you have higher exhaust duration compared to my cam(234 vs 238) i don't know if it's possible or not just guessing here.

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01-06-2013, 09:34 PM

#29

MikeWS6

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Quote:

Originally Posted by raysadude

I'd like to see track times. These dyno gains just vary so much it's impossible to compare sometimes.

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01-06-2013, 09:43 PM

#30

raysadude

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Quote:

Originally Posted by MikeWS6

I'd like to see track times. These dyno gains just vary so much it's impossible to compare sometimes.

I agree, i was just confused that OP mentioned 466/435 and the graph showed some other numbers. Maybe it's a wrong sheet?

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01-17-2013, 12:34 AM

#31

LilJayV10

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Quote:

Originally Posted by 1998silverbird

I know a buddy of mine dynoed his H/C/I through his SLP Dual Dual Catback and then he dynoed with his Cutout opened on the next pull and with the cutout opened he gained 20 some HP. I have the Dual Dual on my car and I will be installing a E Cutout soon and will be back on the dyno.

I only picked up 9hp with my cutout open compared to the dual/dual muffler. I thought it would have been a little more.

Funny thing is I was thinking about going w/ 1 7/8 headers on my car then saw this thread. I'm running an EPS cam too.

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01-17-2013, 08:18 PM

#32

KH504

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Quote:

Originally Posted by raysadude

I agree, i was just confused that OP mentioned 466/435 and the graph showed some other numbers. Maybe it's a wrong sheet?

The graph is the corrected numbers. The car went from 414 to 435 corrected.

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01-19-2013, 08:32 AM

#33

KH504

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MPH went from 120.1 to 122.3

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01-20-2013, 03:55 PM

#34

spicebird98

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Quote:

Originally Posted by KH504

MPH went from 120.1 to 122.3

What DA was that in?

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01-21-2013, 12:30 PM

#35

KH504

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-1400

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04-05-2014, 07:07 PM

#36

LilJayV10

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I know this is an old thread but I thought I would say I talked to Geoff two weeks ago and he said he had NEVER seen a gain in going from 1 3/4 to 1 7/8 headers. Apparently he forgot about the OP's car.

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