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09-17-2017, 07:49 AM
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#1 |
 Drives: 2017 ZL1 silver A10 Join Date: Jul 2017
Location: Loudon NH
Posts: 135
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After market exhaust?
I really like my stock exhaust at cold start and under heavy throttle when in track mode but it lacks sound at warm idle and under lighter throttle. My concern with putting on after market exhaust is drone and being to loud in the Am and on the highway at cruising speed. Does the Borla with NPP fit the bill with sound and tameness when wanted? I love the Corsa clips on line, but worry it will be too loud in the morning when I leave for work, I'm also wondering how it does at cruising speed? Thoughts?
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09-17-2017, 09:01 AM
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#2 |
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Account Suspended
Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
Posts: 7,692
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If you get an exhaust that has the valves or reuses the stock valves then you can just leave it in stealth mode for startups. I'm not sure about drone on some of the other systems but my MBRP Race catback has virtually no drone...but it also eliminates the valves and startups are loud as all hell.
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09-17-2017, 09:07 AM
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#3 |
 
Drives: 2017 ZL1 Join Date: Mar 2017
Location: NH
Posts: 278
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I did headers before catback, and honestly I will probably pass on the catback now.
__________________
2017 Camaro ZL1, Nightfall Gray Metallic: M6, PDR, exposed CF, navigation, sunroof
Mods: Rotofab CAI, Tony Mamo TB, Kooks headers (green cats), 18% LPE lower pulley, E85/FlexFuel sensor. BC Forged RS41s (19x10, 19x12)/PS4S, R888R (305/325) Dyno: E40: 661whp/703wtq, 93: 633whp/674wtq  |
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09-17-2017, 10:57 AM
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#4 |
 Drives: 2017 Nightfall Gray M6 Join Date: Jan 2017
Location: Nor cal
Posts: 91
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How is the sound after adding the headers? Do you have a sound clip or video?
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09-17-2017, 11:17 AM
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#5 |
 Drives: 13 Boss 302 TT, C7 Join Date: May 2017
Location: Houston TX
Posts: 13
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I added headers (no cats) to Stock C7 exhaust love it.
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09-17-2017, 11:19 AM
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#6 |
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Drives: 13 Boss 302 TT, C7 Join Date: May 2017
Location: Houston TX
Posts: 13
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U should just do headers and forget the catback setups honestly less chance of buying a system with drone like that.
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09-17-2017, 11:25 AM
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#7 |
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Drives: 2017 Nightfall Gray M6 Join Date: Jan 2017
Location: Nor cal
Posts: 91
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Can someone post a video of headers going through stock exhaust on the ZL1.
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09-17-2017, 11:27 AM
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#8 | |
   
Drives: 17 ZL1 Join Date: Mar 2017
Location: VA
Posts: 1,075
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Quote:
 J/K, couldn't resist
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2017 ZL1 Coupe M6, Red Hot
Mods; AFE Pro 5R CAI, Kong Ported Blower and Snout, NW 103 TB, Griptech 2.31 Upper, Kooks 2",JMS Voltage Booster, Flex Fuel, Mighty Mouse CC,Jannetty Racing Tune, 680 rwhp  |
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09-17-2017, 03:47 PM
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#9 |
Drives: 2017 ZL1 Join Date: Aug 2016
Location: Long Island, New York
Posts: 1,036
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Why anyone would not replace the catback is beyond me... just look at that crushed section... plus weight savings.
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09-17-2017, 04:02 PM
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#10 | ||
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Drives: 2017 ZL1 Join Date: Mar 2017
Location: NH
Posts: 278
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Quote:
It is loud as hell when you go WOT.
__________________
2017 Camaro ZL1, Nightfall Gray Metallic: M6, PDR, exposed CF, navigation, sunroof
Mods: Rotofab CAI, Tony Mamo TB, Kooks headers (green cats), 18% LPE lower pulley, E85/FlexFuel sensor. BC Forged RS41s (19x10, 19x12)/PS4S, R888R (305/325) Dyno: E40: 661whp/703wtq, 93: 633whp/674wtq |
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09-17-2017, 04:13 PM
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#11 |
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Drives: Big Brown Join Date: Dec 2016
Location: USA
Posts: 79
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All about the headers...just know that headers are one of those items that can void the warranty...
Unfortunately, Ford has figured out the exhaust note...all the popping and crackling remind me of the old cherry bombs or glass packs... |
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09-17-2017, 04:41 PM
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#12 | |
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Drives: Pre-production ZL1 M6 Join Date: Feb 2016
Location: Sunbelt
Posts: 531
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Quote:
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