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04-04-2018, 07:36 AM
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#1 |
 Drives: '17- 1ag37 V6 traded, for 1SS 2018! Join Date: Mar 2018
Location: MA
Posts: 469
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Dual mode exhaust question-
I notice my 1SS on startup has a nice rumble to it, but becomes quite subdued shortly after.
I'm out in the sticks, with a lot of open country driving. Is there a way to keep that initial sound level up? Remove a fuse? Plug a vacuum line? (love that start-up B-L-A-A-T!) **** Appreciate any feedback. |
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04-04-2018, 07:47 AM
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#2 |
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SABIO
Drives: 2016 CAMARO 1SS Join Date: Jul 2015
Location: Bradford, ON
Posts: 5,014
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Have you set the exhaust to sport or track mode in the setup screen?
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04-04-2018, 07:56 AM
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#3 |
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Drives: '17- 1ag37 V6 traded, for 1SS 2018! Join Date: Mar 2018
Location: MA
Posts: 469
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(nope!)
Where do I find out how to do that? |
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04-04-2018, 08:15 AM
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#4 |
  
Drives: 2016 Camaro 2SS Join Date: Mar 2016
Location: Suffolk Long Island
Posts: 954
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If it becomes subdued as you call it after like 45 seconds of idling then what you are referring to is 100% in the tune and has to due with the Cat warmup tables.
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2016 Hyper Blue 2SS A8,NPP,Moonroof
Pray ported factory intake manifold Ported TB Rotofab ARH 1 7/8 longtubes hi flow cats AFM deleted E85 11.0@124.9 11.65@118.8 pump gas,stock tune/exhaust New combo: Pray Performance Heads/cam MSD intake manifold and Circle D 3C 554/491 on E85 all work & tuning done by Pray |
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04-04-2018, 08:16 AM
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#5 | |
          
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 13,477
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Quote:
It's set to "auto" by default, which means automatically changing the exhaust sound to match the driving mode. Set it to Sport or Track instead to always get the rumble.
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2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle Terminator cam | LT4 FS & injectors | TSP forged pistons & rods JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune 1100 - 1/30/18 | 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 | 3800 - 2/26/18 4300 - 2/27/18 | 4B00 - 3/01/18 4200 - 3/05/18 | 4800 - 3/14/18 5000 - 3/16/18 | 6000 - 3/19/18 |
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04-04-2018, 08:39 AM
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#6 |
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Drives: '17- 1ag37 V6 traded, for 1SS 2018! Join Date: Mar 2018
Location: MA
Posts: 469
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Thanks!
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04-05-2018, 11:10 AM
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#7 |
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Drives: 18 zl1 Join Date: Aug 2017
Location: central alabama
Posts: 935
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setting it to sport or track still closes the valves on cruising and some partial throttle.
pulling fuse 51 in your underhood fuse box removes all power from the valves, and they spring open all the time. |
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04-05-2018, 11:29 AM
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#8 |
Drives: 2016 1SS 6speed Join Date: Mar 2016
Location: IL
Posts: 527
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As stated, the initial bark on start up is due to the timing being retarded in order to light the cats quicker. The only thing you can do is set the exhaust to track mode, but it doesn’t have that same initial bark. There is NO way to make the car sound like that at all times and not ruin the engine.
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2016 1SS M6 P1SC Stg II 592rwhp/548rwtq (for now)
GForce Outlaw axles & driveshaft, TSP 2” LT’s, turndowns, RTS S71 drag pack with radials. |
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04-05-2018, 12:48 PM
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#9 |
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雪の玉
Drives: '22 Z71 RST Silverado Join Date: Feb 2011
Location: South
Posts: 3,415
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Pull fuse #51 in the engine bay fusebox and it will stay open all the time.
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