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Exhaust recommendations #4711372
03/30/18 10:16 AM
03/30/18 10:16 AM
Joined: Dec 2012
Posts: 1,856
WNY
redhat Offline OP
redhat  Offline OP
Joined: Dec 2012
Posts: 1,856
WNY
I am trying to figure out what will sound good on a Carbed 4.8/5.3 LS going in my Regal.

Will have long tube headers, 1 3/4" to a 3" collector. I am thinking x-pipe to dual Flowmaster 40s?

Any suggestions?


17 Taurus Limited AWD - MCSB 5W-20 FL500S, 12k
14 Civic EX Coupe - NAPA Syn 0W-20 TG7317, 64k
09 Accord Sedan 5MT - Traveler 15W-40 XG7317, 151k
87 Regal Limited - Carb 5.3 LM7 20W-50 VR1 WIX 51042
Re: Exhaust recommendations [Re: redhat] #4711378
03/30/18 10:20 AM
03/30/18 10:20 AM
Joined: Mar 2013
Posts: 4,862
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,862
The Midwest
Make it a sleeper and use an exhaust cutout.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: Exhaust recommendations [Re: redhat] #4711405
03/30/18 10:36 AM
03/30/18 10:36 AM
Joined: Jan 2008
Posts: 546
North Carolina
WANG Offline
WANG  Offline
Joined: Jan 2008
Posts: 546
North Carolina
I usually prefer the sound of silencers that incorporate some sort of lagging in their design (example: Borla) compared to the sound of purely chambered silencers (example: Flowmaster).


"Sportbikes have evolved from an axe into a scalpel.
Problem is, the average sportbike buyer is more lumberjack than surgeon." -Richard Pollock
Re: Exhaust recommendations [Re: redhat] #4711421
03/30/18 11:01 AM
03/30/18 11:01 AM
Joined: Oct 2004
Posts: 3,117
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,117
Midwest, Illinois
The drone of Flowmasters will eventually wear on you.
Hooker makes a great performance muffler that doesn't get much advertising or attention.
Do some searching on AeroChamber's.


beanoil: Tough under heat, real dirty afterwards.
Re: Exhaust recommendations [Re: redhat] #4711423
03/30/18 11:05 AM
03/30/18 11:05 AM
Joined: Mar 2013
Posts: 798
Virginia
glock19 Offline
glock19  Offline
Joined: Mar 2013
Posts: 798
Virginia
I've always liked Corsa exhausts.


2017 GMC Sierra SLT Z71 Crew Cab - His
2016 Toyota Highlander Limited - Hers
Re: Exhaust recommendations [Re: redhat] #4711432
03/30/18 11:17 AM
03/30/18 11:17 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
Absorption type silencers have a far more agreeable timbre than reflection type silencers.
Your ears may vary.


Cable ties should hold it
Re: Exhaust recommendations [Re: redhat] #4711456
03/30/18 11:36 AM
03/30/18 11:36 AM
Joined: Sep 2015
Posts: 5,951
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,951
Kalifornia Kollective
I would not put BlowMasters on anything. They usually have a bad resonant drone at 1,800 RPM - just where you cruise on the highway frown

I've removed them from the last two vehicles I got. Hard to even talk in the cab, much less listen to music ...

Dynomax makes some mufflers that will sound nice at idle up to 900 RPM and then they mellow out. You need to write and e-mail to Walker and ask them...

Last edited by BrocLuno; 03/30/18 11:37 AM.

Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Exhaust recommendations [Re: redhat] #4711468
03/30/18 11:49 AM
03/30/18 11:49 AM
Joined: Mar 2010
Posts: 1,406
USA
SOHCman Offline
SOHCman  Offline
Joined: Mar 2010
Posts: 1,406
USA
What about Magna-Flow straight through designs? I put the biggest one I could fit on a 351W truck with 2.5 inch 2 into 1 exhaust and it's much quieter and non-droning than I expected coming from a turbo style muffler that rusted out.


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Exhaust recommendations [Re: redhat] #4711487
03/30/18 12:14 PM
03/30/18 12:14 PM
Joined: Nov 2005
Posts: 990
Rockwall, Texas
Old Mustang Guy Offline
Old Mustang Guy  Offline
Joined: Nov 2005
Posts: 990
Rockwall, Texas
I used Flowmaster 40's on three different Mustangs and liked them. On one I got drone at 1800 to 2000. I would just downshift if it got tiresome. It was below cruising speed with 355 gears.

Re: Exhaust recommendations [Re: redhat] #4711500
03/30/18 12:25 PM
03/30/18 12:25 PM
Joined: Aug 2012
Posts: 212
Upstate S.C.
The_Captain Offline
The_Captain  Offline
Joined: Aug 2012
Posts: 212
Upstate S.C.
I have Magnaflow on my ride. Sounds great with no drone.


2017 Jeep Wrangler Unlimited 4x4 with Castrol Full Synthetic (gold bottle) with Fram Ultra oil filter.
Re: Exhaust recommendations [Re: redhat] #4711502
03/30/18 12:25 PM
03/30/18 12:25 PM
Joined: Apr 2014
Posts: 1,861
Spring,Texas
Bud_One Offline
Bud_One  Offline
Joined: Apr 2014
Posts: 1,861
Spring,Texas
I've had good results with Magnaflow mufflers.
My brothers 5.3 Chevy and my 6.0 Chevy.
No drone at cruising speeds and not obnoxiously loud.


16 Civic-QSUD 0W-20, XG7317
14 Civic-Idemitsu Zepro 0W-20, XG7317
05 Chevy 2500HD-QSUD 10W-30, XG3675
97 Accord Wagon-Havoline HM 10W-30, PH3593A
Re: Exhaust recommendations [Re: redhat] #4711523
03/30/18 12:42 PM
03/30/18 12:42 PM
Joined: Dec 2015
Posts: 579
Arkansas
mazdamonky Offline
mazdamonky  Offline
Joined: Dec 2015
Posts: 579
Arkansas
I have a Magnaflow straight through on my RX7. It sounds great, but freeway drone is horrible. This is probably due to 70 MPH being 3500 RPM on this car. I love the sound when gassing it however. Exhaust is a short header, presilencer, straight back to muffler. I feel the need to add something like a resonator or glass pack in the straight section to see if it helps. I imagine if I wasn't at such high RPM all the time it wouldn't be so bad. Cruising in 5th at under 55mph isn't near as bad as over 60.


2018 mazda3 hatch 2.5 263 miles
1985 rx7 1.1 98k miles
2002 protege 220k miles
1985 rx7 with a 5.0 swap
2002 Protege 299k miles Girlfriend's
4 more running cars in yard not mentioned
Re: Exhaust recommendations [Re: BrocLuno] #4711524
03/30/18 12:44 PM
03/30/18 12:44 PM
Joined: Sep 2010
Posts: 7,080
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,080
Texas
+1 on Dynomax largest ID you can fit and theyll flooooow

Re: Exhaust recommendations [Re: redhat] #4711562
03/30/18 01:41 PM
03/30/18 01:41 PM
Joined: Feb 2009
Posts: 64
ny
jeep58 Offline
jeep58  Offline
Joined: Feb 2009
Posts: 64
ny
I like the Magnaflow "non chambered" muffler it will get a little louder after muffler breaks in but no drone nice mellow sound !

Re: Exhaust recommendations [Re: redhat] #4711619
03/30/18 02:45 PM
03/30/18 02:45 PM
Joined: Aug 2017
Posts: 594
MN
14Accent Offline
14Accent  Offline
Joined: Aug 2017
Posts: 594
MN
Check out Aero Turbine exhaust. There was a ton of love for those on the Marauder forms. I youtube'd a few Chevy trucks with them and they sound pretty decent. They are a "straight through" design I believe, and less money than the big boys.


2013 Chevrolet Volt - Saves enough in fuel to pay for itself!

2003 Cadillac Seville STS - The winter "beater", it uses the Volt's fuel
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