11-09-2009, 06:40 AM | #1 |
Drives: 2013 ZL1 Rally Yellow Join Date: May 2009
Location: Knightdale, NC
Posts: 347
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Next Rounds of Mods
So what I have already done is this:
LMR CAI Custom Grind Cam W/ new push rods, springs etc. Stainless Works Headers Cat & Res Delete Replaced factory mufflers with FlowMaster 40's Ported TB Custom Tune With the above mods 443 is my RWHP. Today my car is getting a rocker upgrade (I know this is no HP gain), C&C ported and polished heads with valve job, LMR CAI replaced with ADM :0), 3" headers back Stainless Works exhaust. I think the heads should give me 25-30 The new exhaust I hope for 15-20 I have read and been told that FlowMasters hold HP back. Let me know your thoughts. Thanks, Bryan Last edited by Pope Designs; 11-09-2009 at 08:01 AM. |
11-09-2009, 08:24 AM | #2 |
Drives: CTS-V Join Date: Aug 2008
Location: Raleigh NC
Posts: 1,069
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Nostradamus says........ LOL
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10.8@130.8 610 whp, CAI, 2.5, E85, id850 on street tires.
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11-09-2009, 09:54 AM | #3 |
o come on
Drives: 06 GTO Join Date: Nov 2008
Location: Naples FL
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I don't know that the flowmasters are holding you back right now. I would say that the fact that you are still using stock tubing is what is holding you back. But I would agree that flowmasters hold back HP. You need to get an exhaust that has a straight through design, not the baffled design of the flowmasters.
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06 GTO with three pedals like it should be
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11-09-2009, 09:55 AM | #4 |
Drives: 2013 ZL1 Rally Yellow Join Date: May 2009
Location: Knightdale, NC
Posts: 347
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Matt55
This is you! :o) |
11-09-2009, 10:03 AM | #5 | |
Drives: 2013 ZL1 Rally Yellow Join Date: May 2009
Location: Knightdale, NC
Posts: 347
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Quote:
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11-09-2009, 10:14 AM | #6 |
o come on
Drives: 06 GTO Join Date: Nov 2008
Location: Naples FL
Posts: 437
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That exhaust is good because it comes with an X pipe but it looks like it still has baffled exhaust like the flowmasters. If you want the most HP out of an exhaust you are going to want one that has either glasspacks or straight through design. Something like the SLP loudmouth kit or the S-Type borla kit.
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06 GTO with three pedals like it should be
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11-09-2009, 11:28 AM | #7 |
Drives: '69 SS Convertible Join Date: May 2009
Location: DFW, TX
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You might consider looking at MBRP's exhaust as well. You can get a T-409 kit for about $880 shipped to your door.
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-2010 Camaro 2SS | M6 | VR w/White Stripes | 1 3/4" KOOKS - 3" Magnaflow | LPE 3.91 gears | ADM tuned | Halltech w/ADM Scoop | Spohn/BMR Trailing Arm/Toe Rod | BC Coilovers| Pedders FE4 ZL1 swaybars | Cradle/Diff/Radius Rod bushings | VMax TB | Morimoto Projectors | MGW shifter | Red Calipers
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11-09-2009, 11:34 AM | #8 |
Drives: 2004 R/Cab F-150 Join Date: Apr 2009
Location: Las Vegas, NV
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Just dont put the mufflers on...straight thru piping
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Future: 2SS/RS M6 Silver Ice Metallic
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11-09-2009, 11:43 AM | #9 |
o come on
Drives: 06 GTO Join Date: Nov 2008
Location: Naples FL
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Yeah you could do that to. But if you do I would still look into getting an X pipe.
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06 GTO with three pedals like it should be
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11-09-2009, 01:02 PM | #10 |
Drives: 2013 ZL1 Rally Yellow Join Date: May 2009
Location: Knightdale, NC
Posts: 347
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I really do not want it too loud. I want to carry on conversation in the cab.
:0) |
11-09-2009, 03:33 PM | #11 |
Drives: CTS-V Join Date: Aug 2008
Location: Raleigh NC
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I hope Iam low , lets see tomorrow .
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10.8@130.8 610 whp, CAI, 2.5, E85, id850 on street tires.
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11-09-2009, 06:45 PM | #12 | |
o come on
Drives: 06 GTO Join Date: Nov 2008
Location: Naples FL
Posts: 437
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Quote:
An exhaust has to be very loud to not be able to carry on a conversation in the car. My buddy had a cobra with a very loud exhaust on the outside but it is fine inside. My Vette is also quite loud but is surprisingly quite inside. You will just have to decide where your priorities are, whether you want it to be quite inside or if you want the most hp
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06 GTO with three pedals like it should be
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11-09-2009, 06:51 PM | #13 |
Drives: 2010 Camaro SS Join Date: Oct 2008
Location: Smithfield,NC
Posts: 1,203
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I'm going to guess 485 rwhp.....
Hoping you get close to 500 rwhp..... |
11-10-2009, 06:30 AM | #14 |
Drives: 2013 ZL1 Rally Yellow Join Date: May 2009
Location: Knightdale, NC
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