Need to try and quiet down exhaust with bullet resonators - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 4 Weeks Ago Thread Starter
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Need to try and quiet down exhaust with bullet resonators

My exhaust on my supercharged 2013 mustang gt is now too obnoxiously loud, raspy, and cackling and I need to quiet it down significantly to avoid scaring people when passing and getting pulled over by law enforcement. It was recommended to install bullet style resonators to start with but I will probably also put back on my GT500 style overaxle pipes. I currently have the stainless steel borla over axle pipes, with kooks headers with 1 3/4" primaries and H-pipe, and kooks axle back headers.

I have researched online and can only find 2.5" and 3" resonators. I can't find 2.75" resonators. Should I have an exhaust shop expand the 2.75" pipe to fit inside 3" resonators or should I expand the 2.5" resonator ends to fit inside the borla pipes?

Does everyone agree that the exhaust shop should be using stainless steel weld material to avoid corrosion? The exhaust shops I have contacted so far don't have stainless steel welding material

Thanks,

Paul


2013 GT, Track Pack, Recaros, Kooks Axlebacks, Airaid CAI, BMR Rear Adj. LCAs, BMR Relocation Brackets, JLT Oil Separator(s), Barton 2 Post Shifter Bracket, Steeda Motor Mounts, Barton Shifter, JHR Clutch line, BMR adj. UCA and Mount, Kooks 1 3/4 headers/catted H, DSS Al Shaft, BMR Loop, Vogtland Sport Springs front/BMR rear, Strange Adj. Struts/Shocks, Extended ball joints, Steeda Bumpsteer Kit, Whiteline Tranny Mount Bushing, Borla Overaxles, BMR Watts, Vorshlag 3" Ducts
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post #2 of 6 (permalink) Old 4 Weeks Ago
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If you visit any local muffler shop they will carry Allied resonators....they flow as good as most all of the race mufflers and come in a variety of diameters from 2" to 3"+ and lengths from 10" to 38"+....Allied has been around for a few decades, nationwide...very good units I have run them for 30+ years.....typically I get about 15+ years out of them before needing replacement. Very nice tone as well....deep, throaty a nice rumble of accel/decel..... of course the correct size is needed to make this happen, but they are not at all "tinny/Raspy".


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post #3 of 6 (permalink) Old 4 Weeks Ago
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wouldn't it be easier to just put on a quieter muffler, aka axleback? not sure of your current setup; do you have the normal clamped muffler connection and muffler hangers?

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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post #4 of 6 (permalink) Old 4 Weeks Ago Thread Starter
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Quote:
Originally Posted by Beechkid View Post
If you visit any local muffler shop they will carry Allied resonators....they flow as good as most all of the race mufflers and come in a variety of diameters from 2" to 3"+ and lengths from 10" to 38"+....Allied has been around for a few decades, nationwide...very good units I have run them for 30+ years.....typically I get about 15+ years out of them before needing replacement. Very nice tone as well....deep, throaty a nice rumble of accel/decel..... of course the correct size is needed to make this happen, but they are not at all "tinny/Raspy".
OK I will check those out. Thanks

2013 GT, Track Pack, Recaros, Kooks Axlebacks, Airaid CAI, BMR Rear Adj. LCAs, BMR Relocation Brackets, JLT Oil Separator(s), Barton 2 Post Shifter Bracket, Steeda Motor Mounts, Barton Shifter, JHR Clutch line, BMR adj. UCA and Mount, Kooks 1 3/4 headers/catted H, DSS Al Shaft, BMR Loop, Vogtland Sport Springs front/BMR rear, Strange Adj. Struts/Shocks, Extended ball joints, Steeda Bumpsteer Kit, Whiteline Tranny Mount Bushing, Borla Overaxles, BMR Watts, Vorshlag 3" Ducts
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post #5 of 6 (permalink) Old 4 Weeks Ago Thread Starter
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Quote:
Originally Posted by JBert View Post
wouldn't it be easier to just put on a quieter muffler, aka axleback? not sure of your current setup; do you have the normal clamped muffler connection and muffler hangers?
Yes I have the standard axleback clamps and hangars. It would definitely be cheaper than the resonator option. I tried in the past couple weeks to change the axleback mufflers and started on the drivers side. The Kooks are smaller mufflers and come off and on easy. I struggled trying to get the GT500 muffler back on and gave up. I can't seem to reach the bolts with the hanger on the muffler and if I have the hangar mounted to the car it seemed like the watts link was in my way and could not get the rods to go in the hangars. But I know I got them off somehow after I installed the watts link. I will give it another shot soon.

2013 GT, Track Pack, Recaros, Kooks Axlebacks, Airaid CAI, BMR Rear Adj. LCAs, BMR Relocation Brackets, JLT Oil Separator(s), Barton 2 Post Shifter Bracket, Steeda Motor Mounts, Barton Shifter, JHR Clutch line, BMR adj. UCA and Mount, Kooks 1 3/4 headers/catted H, DSS Al Shaft, BMR Loop, Vogtland Sport Springs front/BMR rear, Strange Adj. Struts/Shocks, Extended ball joints, Steeda Bumpsteer Kit, Whiteline Tranny Mount Bushing, Borla Overaxles, BMR Watts, Vorshlag 3" Ducts
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post #6 of 6 (permalink) Old 4 Weeks Ago
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I had the same issue when mounting the GT500's. You need to mount the hanger to muffler and then using an offset box-end wrench, you can get it. There is also a ratcheting version which should be even better. Good Luck!
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