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Magnaflow Single in/Single out on 5.3

Big day!

Magnaflow Single in/Single out on 5.3

Postby silveradoguy25 [OP] » Jun 15 2011, 2:02am

Well I've had my 08 Silverado 5.3 for about 9 months now and tomorrow i FINALLY get my exhaust installed! :D Im going with a Magnaflow muffler and gonna put a 3.5in rolled edge tip on it. Single in/Single out right where the stock pipe comes out. Pretty awesome bday present i would say. Anybody else have this setup or one similar?? Cant wait!
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Re: Magnaflow Single in/Single out on 5.3

Postby starspangled6.0starspangled6.0 is online! » Jun 15 2011, 2:42am

Sounds like you're getting a nice setup! Keep us posted on your progress...
07 Silverado 3500HD 6.6L Crew Cab Dually
04 Silverado 2500HD 6.6L Extended Cab w\Hiniker 8.5 V
03 Sierra 2500HD 6.0L Extended Cab w\BOSS 8.2' V


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Re: Magnaflow Single in/Single out on 5.3

Postby rdss » Jun 15 2011, 12:40pm

I am running an 18" Magnaflow with Blastin Bob's hidden tail pipe and am extremely glad I didn't go with the 22" and I might actually pick up a 14" to see what it sounds like. The 18" gives me a little more rumble at idle and a decent amount of noise at WOT, my boy loves it and it doesn't have any drone or resonance in the cab. Let us know what you end up going with.
2010 GMC Sierra 1500 SLT Crewcab:
K&N Aircharger
Blastin Bob's muffler back w/ Magnaflow muffler
BedRug BedTred
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Re: Magnaflow Single in/Single out on 5.3

Postby Caldwell » Jun 15 2011, 8:04pm

I finally convinced my buddy @ the firehouse to finally put an exhaust on his truck, since he already has an intake...

he's going with a single 3'' exhaust with a 14'' magnaflow muffler, and a 4'' tip...
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Re: Magnaflow Single in/Single out on 5.3

Postby silveradoguy25 [OP] » Jun 15 2011, 8:50pm

So i just got back from the exhaust shop and my truck sounds AWESOME!!!! It has a deep smooth rumble, not too loud, not too quiet. i love it!! best mod yet!
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Re: Magnaflow Single in/Single out on 5.3

Postby FOURDOGS » Jun 15 2011, 9:09pm

Post a sound file!!!
2008 GMC Z71 KMC Hoss 20" Rims, Nitto Terra Grapplers, Westin Bull Bar, RC 3.5 Premium Lift Kit w/ UCA's, CAI System., Extang tri-fold bed cover, In Tune tuned, Protected by Springfield Armory!
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Re: Magnaflow Single in/Single out on 5.3

Postby rdss » Jun 15 2011, 9:37pm

What length did you end up going with?
2010 GMC Sierra 1500 SLT Crewcab:
K&N Aircharger
Blastin Bob's muffler back w/ Magnaflow muffler
BedRug BedTred
Extang Revolution Tonneau
Diablo Sport inTune....DiabLew tuned!
Black Rampage sidesteps.
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Re: Magnaflow Single in/Single out on 5.3

Postby tonygrd68 » Jun 16 2011, 3:56am

hows it sound in 4 cyl mod
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