too loud - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

avido · 05-19-2017, 04:42 PM

Hi guys, i have the longtubes with cat converter and the flowmaster american thinder which i love. i have been using these ocmbo for more than 2 years without any problem since tghe police stopped me in switzerland. everything was cool but they didn't like the mod I did on the car. including the supercharger. they asked me certification for everything..

so to make the car a little bit a sleeper style i'm thinking about adding some mid resonator. what do you guys think? also i have to contact brian tooley for a " Sleeper cam for supercharger" without lopes.

InFiD3ViL · 05-19-2017, 04:49 PM

I remember an episode of Top Gear where the trio were discussing whether to drive through Austria, Italy, or Switzerland with their supercars.

Clarkson brought up the fact that it is illegal to even wash your own car in Switzerland.

They decided to go back to Italy.

avido · 05-19-2017, 05:25 PM

true because you can damage the environment by not using eco friendly shampoo. anyway i live in Italy so the car il italian licensed but sinc ei work there it can be a problem.

Dmpsix · 05-19-2017, 05:56 PM

Adding j pipes and a resonator will soften the tone

There's a well known forum sponsor here that sells an aftermarket set that helps calm the noise down.

Gunmetal Speedster · 05-19-2017, 06:25 PM

Quote:

Originally Posted by InFiD3ViL

I remember an episode of Top Gear where the trio were discussing whether to drive through Austria, Italy, or Switzerland with their supercars.

Clarkson brought up the fact that it is illegal to even wash your own car in Switzerland.

They decided to go back to Italy.

Good episode

OP, adding J pipes and then a magnaflow resonated X pipe should help quite a bit I would assume.

avido · 05-20-2017, 02:56 PM

i let a friend drive the car while i was outside. it is loud as f*ck. i definitely had to calm down the hell. do you think that putting back the stock exhaust will help to calm down the noise?

Synner · 05-20-2017, 04:02 PM

Stock mufflers are pretty good at noise control and flow pretty well, they're just on the heavy side. A resonated x-pipe may be another option.

avido · 05-20-2017, 08:16 PM

Tomorrow I'm installing the stock exhaust and we will see if it improves the situation by lowering the db

Dmpsix · 05-20-2017, 09:04 PM

Quote:

Originally Posted by avido

Tomorrow I'm installing the stock exhaust and we will see if it improves the situation by lowering the db

Yeah it'll be a night and day difference. Stock muffler is extremely quiet, works will with LT headers

christianchevell · 05-21-2017, 11:02 AM

You if not equipped with NPP dual mode exhaust could also have used it ... the NPP code exhaust ..with a three way switch from Forza componetti to make it quiet or loud at will........Stock trash cans are fugly though...

avido · 05-21-2017, 04:17 PM

there is no npp exhaust on the eu version. i changed the exhaust putting back on the stock..hug difference but looks like shit. i'm going to add the magnaflow true -x resonator to the flowmaster xpipe and see what happen. it this is not enogh...i dont know.

avido · 05-23-2017, 06:43 AM

i have the stock cat back on...yes night and day difference but...it sounds like a fiat (actually some abarth have better sound..)

ordered from summit the resonated xpipes plus a copure of reducer and clamps so... we will se..

05-19-2017, 04:42 PM	#1
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	too loud Hi guys, i have the longtubes with cat converter and the flowmaster american thinder which i love. i have been using these ocmbo for more than 2 years without any problem since tghe police stopped me in switzerland. everything was cool but they didn't like the mod I did on the car. including the supercharger. they asked me certification for everything.. so to make the car a little bit a sleeper style i'm thinking about adding some mid resonator. what do you guys think? also i have to contact brian tooley for a " Sleeper cam for supercharger" without lopes. __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning

05-19-2017, 04:49 PM	#2
InFiD3ViL Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016 Location: Spring Hill, FL Posts: 4,578	I remember an episode of Top Gear where the trio were discussing whether to drive through Austria, Italy, or Switzerland with their supercars. Clarkson brought up the fact that it is illegal to even wash your own car in Switzerland. They decided to go back to Italy. __________________ 2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI

05-19-2017, 05:25 PM	#3
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	true because you can damage the environment by not using eco friendly shampoo. anyway i live in Italy so the car il italian licensed but sinc ei work there it can be a problem. __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning

05-20-2017, 02:56 PM	#6
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	i let a friend drive the car while i was outside. it is loud as fck. i definitely had to calm down the hell. do you think that putting back the stock exhaust will help to calm down the noise? __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning*

05-20-2017, 08:16 PM	#8
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	Tomorrow I'm installing the stock exhaust and we will see if it improves the situation by lowering the db __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning

05-19-2017, 05:56 PM	#4
Dmpsix Drives: Black L99 2SS/RS Join Date: Mar 2014 Location: San Antonio, TX Posts: 1,862	Adding j pipes and a resonator will soften the tone There's a well known forum sponsor here that sells an aftermarket set that helps calm the noise down.

05-20-2017, 04:02 PM	#7
Synner Drives: cars Join Date: May 2011 Location: Oversneeze Posts: 4,544	Stock mufflers are pretty good at noise control and flow pretty well, they're just on the heavy side. A resonated x-pipe may be another option.

05-21-2017, 11:02 AM	#10
christianchevell old school chevy rodder Drives: 2013 2SS/RS Manual,DM exhaust,CRT Join Date: Jul 2012 Location: Oregon Posts: 5,587 View My Garage	You if not equipped with NPP dual mode exhaust could also have used it ... the NPP code exhaust ..with a three way switch from Forza componetti to make it quiet or loud at will........Stock trash cans are fugly though... __________________ 2021 Wild Cherry ZL1 A10, Sunroof, Data, Carbon, Nav, RotoFab Dry CAI, Elite x2, Borla ATK, Driveshaft shop

05-21-2017, 04:17 PM	#11
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	there is no npp exhaust on the eu version. i changed the exhaust putting back on the stock..hug difference but looks like shit. i'm going to add the magnaflow true -x resonator to the flowmaster xpipe and see what happen. it this is not enogh...i dont know. __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning

05-23-2017, 06:43 AM	#12
avido Drives: camaro ss\rs Join Date: Jun 2014 Location: Italia Posts: 755	i have the stock cat back on...yes night and day difference but...it sounds like a fiat (actually some abarth have better sound..) ordered from summit the resonated xpipes plus a copure of reducer and clamps so... we will se.. __________________ 2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning