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12-17-2017, 04:00 PM
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#1 |
 
Drives: 2010 camaro ss Join Date: Nov 2017
Location: north carolina
Posts: 57
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Custom built exhaust
Anyone here run a custom built exhaust ? I recently had my car tuned and wasnt too happy with the numbers the tuner mentioned that the flowmasters are a bit restrictive and may be affecting my numbers . I put down 434 . Thats with cam, intake , longtubes no cats . I was thinking about going full custom with no mufflers and adding a rod mod intake . Just not sure if i could stand the noise but its pretty loud now cant see it being really too much worse
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12-17-2017, 05:33 PM
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#2 |
    
Drives: 2013 1SS 1LE Join Date: Jun 2016
Location: Ixonia wi
Posts: 1,456
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With long tubes and no cats, I doubt the Flowmasters are restricting...
What cam?? I'd recommend getting the heads ported next...
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2013 1le- Katech 416 short block, TSP custom grind cam, LOD intake, cnc heads by F.ED., Nick William's 102mm T.B., CORN fed, Pedders coilovers. Performance street alingnment by Justin at Lake Country Alignment and dyno tune by Late Model Throttle.
603 h.p. 495 ft lbs tq. |
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12-17-2017, 07:23 PM
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#3 |
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Drives: 2010 camaro ss Join Date: Nov 2017
Location: north carolina
Posts: 57
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Running the tick polluter stage 3
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12-17-2017, 07:26 PM
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#4 |
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Drives: 2013 1SS 1LE Join Date: Jun 2016
Location: Ixonia wi
Posts: 1,456
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Ported heads...
I doubt you'll see much with the intake without the heads too...
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2013 1le- Katech 416 short block, TSP custom grind cam, LOD intake, cnc heads by F.ED., Nick William's 102mm T.B., CORN fed, Pedders coilovers. Performance street alingnment by Justin at Lake Country Alignment and dyno tune by Late Model Throttle.
603 h.p. 495 ft lbs tq. |
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12-17-2017, 08:14 PM
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#5 |
 Drives: 2010 imperial blue LS3 M6 2SSRS Join Date: Aug 2013
Location: Virginia beach Virginia
Posts: 210
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Automatic or manual?
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12-18-2017, 01:21 PM
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#6 |
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Drives: 2010 camaro ss Join Date: Nov 2017
Location: north carolina
Posts: 57
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manual
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12-18-2017, 01:40 PM
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#7 |
      Drives: 2010 Camaro SS/RS Join Date: Mar 2014
Location: somewhere in MD
Posts: 4,883
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tick performance shows a dyno chart reading 477 rwhp for this cam. i think you might want to have your tune checked out and then look into an exhaust system. the oem catback is not very restrictive and shouldn't hold your power back that much.
edit: saw you have flowmasters... doubt those are restricting the power that much as well. Get the tune checked first and then look into exhaust systems.
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2010 2SS/RS
Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53 |
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12-18-2017, 02:02 PM
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#8 | |
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Captain Gingerbeard
Drives: 2012 IOM RS/SS 6MT Join Date: Feb 2013
Location: West Twin Cities, MN
Posts: 2,489
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Dyno numbers can only be compared to that same dyno, with the same calibration.
What were your numbers before the cam and tune and everything?
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Custom ordered 2012 6MT RS/SS on 11/25/2011. Picked up 01/31/12.
Pedders Coilovers, BMR trailing arms and toe-links, Prothane solid poly subframe bushings, JDP Motorsports rear upper control arm bushings, Texas Speed long-tube headers with 2" primaries, modified fully 3" Magnaflow competition catback. CAI cold-air intake. DBA rotors, Hawk pads. Quote:
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12-18-2017, 04:58 PM
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#9 |
Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,640
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I did 440rwhp with TSP 231 236, 2" headers HFC into stock H pipe and NPP, Halltech CAI and remote tune from Pat G. The dyno would have been lower if put in "Mustang dyno mode", like 420rwhp.
Full 3inch exhaust is the real ultimate upgrade for performance with 2inch headers or stepped headers. Unless your Flowmaster is crap, you wont see much but change it for another catback 1st to be sure. Dyno numbers VS dyno numbers on a different dyno and day are TOTALLY IRREVELENT! Dyno sheets? If it peaks at the right rpm and you trap the right number at the track, like mine did, youre all good. Rod mod and ported intake are a good mod, but might require small tune adjustment(it will run alright without) for maximum performance gains. Totally worth it since its right there with a FAST intake.
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13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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12-18-2017, 05:54 PM
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#10 | ||
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Captain Gingerbeard
Drives: 2012 IOM RS/SS 6MT Join Date: Feb 2013
Location: West Twin Cities, MN
Posts: 2,489
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Quote:
Above me is 440 with similar power mods as me plus a cam. I don't have a cam, and put down 438. Would I keep up with Whammo's car? Most assuredly not.
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Custom ordered 2012 6MT RS/SS on 11/25/2011. Picked up 01/31/12.
Pedders Coilovers, BMR trailing arms and toe-links, Prothane solid poly subframe bushings, JDP Motorsports rear upper control arm bushings, Texas Speed long-tube headers with 2" primaries, modified fully 3" Magnaflow competition catback. CAI cold-air intake. DBA rotors, Hawk pads. Quote:
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12-18-2017, 06:29 PM
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#11 |
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Drives: 2010 camaro ss Join Date: Nov 2017
Location: north carolina
Posts: 57
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I forgot to mention my timing is -6 for the nitrous . I also ran a 150 shot and put down 584/589 . Just seems low and figured it would have to be exhaust
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