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#4711372 - 03/30/18 10:16 AM Exhaust recommendations
redhat Offline

Registered: 12/07/12
Posts: 1734
Loc: Anywhere, USA
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 - dealer fill, 4k
09 Accord Sedan 5MT - Travellers 15W-40, XG7317, 151k
14 Civic EX Coupe - NAPA Syn. 0W-20, WIX 57356, 54k

#4711378 - 03/30/18 10:20 AM Re: Exhaust recommendations [Re: redhat]
skyactiv Offline

Registered: 03/02/13
Posts: 4521
Loc: 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

#4711405 - 03/30/18 10:36 AM Re: Exhaust recommendations [Re: redhat]
WANG Offline

Registered: 01/08/08
Posts: 546
Loc: 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

#4711421 - 03/30/18 11:01 AM Re: Exhaust recommendations [Re: redhat]
beanoil Offline

Registered: 10/17/04
Posts: 3006
Loc: 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.

#4711423 - 03/30/18 11:05 AM Re: Exhaust recommendations [Re: redhat]
glock19 Offline

Registered: 03/12/13
Posts: 784
Loc: Virginia
I've always liked Corsa exhausts.
2017 GMC Sierra SLT Z71 Crew Cab - His
2016 Toyota Highlander Limited - Hers

#4711432 - 03/30/18 11:17 AM Re: Exhaust recommendations [Re: redhat]
Olas Offline

Registered: 12/11/13
Posts: 3938
Loc: Manchester, England
Absorption type silencers have a far more agreeable timbre than reflection type silencers.
Your ears may vary.
Cable ties should hold it

#4711456 - 03/30/18 11:36 AM Re: Exhaust recommendations [Re: redhat]
BrocLuno Offline

Registered: 09/06/15
Posts: 5625
Loc: 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...

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.

#4711468 - 03/30/18 11:49 AM Re: Exhaust recommendations [Re: redhat]
SOHCman Online   content

Registered: 03/29/10
Posts: 1336
Loc: 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

#4711487 - 03/30/18 12:14 PM Re: Exhaust recommendations [Re: redhat]
Old Mustang Guy Offline

Registered: 11/16/05
Posts: 971
Loc: 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.

#4711500 - 03/30/18 12:25 PM Re: Exhaust recommendations [Re: redhat]
The_Captain Offline

Registered: 08/06/12
Posts: 212
Loc: 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.

#4711502 - 03/30/18 12:25 PM Re: Exhaust recommendations [Re: redhat]
Bud_One Offline

Registered: 04/19/14
Posts: 1845
Loc: 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-M1 EP 0W-20, XG7317
05 Chevy 2500HD-QSUD 10W-30, XG3675
97 Accord Wagon-Havoline HM 10W-30, PH3593A

#4711523 - 03/30/18 12:42 PM Re: Exhaust recommendations [Re: redhat]
mazdamonky Offline

Registered: 12/08/15
Posts: 561
Loc: 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.
1985 rx7 1.1 98k miles
2002 protege 220k miles
1985 rx7 with a 5.0 swap
2002 Protege 292k miles Girlfriend's
4 more running cars in yard not mentioned

#4711524 - 03/30/18 12:44 PM Re: Exhaust recommendations [Re: BrocLuno]
4WD Offline

Registered: 09/21/10
Posts: 6569
Loc: Texas
+1 on Dynomax … largest ID you can fit and they’ll flooooow …

#4711562 - 03/30/18 01:41 PM Re: Exhaust recommendations [Re: redhat]
jeep58 Offline

Registered: 02/06/09
Posts: 42
Loc: ny
I like the Magnaflow "non chambered" muffler it will get a little louder after muffler breaks in but no drone nice mellow sound !

#4711619 - 03/30/18 02:45 PM Re: Exhaust recommendations [Re: redhat]
14Accent Offline

Registered: 08/03/17
Posts: 433
Loc: 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!

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