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#26 |
69 Fleetside
![]() Join Date: Mar 2009
Location: Lake Stevens, WA
Posts: 333
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Re: What is your favorite performance muffler?
Spintech...
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#27 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: What is your favorite performance muffler?
Borla xr-1 ftw. They sound soooo good. They may be expensive, but they last forever. Aluminized mufflers will rot from the inside out pretty quick. Painted is even worse.
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'72 cheyenne super step, '05 long bed gmc |
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#28 |
Registered User
Join Date: Mar 2006
Location: San Ramon, California
Posts: 276
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Re: What is your favorite performance muffler?
Thanks for all the recommendations! I im leaning towards magnaflow...
![]() what size tubing do you run, im thinking 3" for my 5.3
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My 1972 Blazer 5.3 E85/ NV4500 5spd 4x4 Work in Progress http://67-72chevytrucks.com/vboard/s...d.php?t=291482 ****SOLD!!!!!**** 1965 GMC 4X4 http://67-72chevytrucks.com/vboard/s...d.php?t=294727 |
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#29 |
Registered User
Join Date: Mar 2007
Location: Connecticut
Posts: 581
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Re: What is your favorite performance muffler?
My son has CherryBomb Vortex mufflers, they sound wicked when you get on it, but mellow at cruising rpm. Only thing, I wish they were stainless. I figure he will get maybe 3-4 years from them, but we installed them with SS band clamps so the 2.5" stainless pipe butts up to the muffler inlet/outlet instead of slipping in or over, so they will come out for replacement real easy! Nice setup. The headers are Hedman Elites with a ceramic type coating and the pipes are SS.
chas
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"I'll Procrastinate Tomorrow" quote by LEEVON 71 K10 long fleet (sons truck) new 370hp 355, sm465 np205, 3.73's 33's 70 K20 long fleet 98 G3500 work van |
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#30 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: What is your favorite performance muffler?
For a 5.3 you'll want 2.5" for duals, 3" single.
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'72 cheyenne super step, '05 long bed gmc |
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#31 |
senior member
Join Date: Feb 2003
Location: fort macleod alberta
Posts: 2,770
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Re: What is your favorite performance muffler?
yep i ran a 3" single on mine put the flowmaster cat back kit on took about half an hour total install time with a hoist of course and it sounds great the muffler is a 50 series
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69 GMC bagged |
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#32 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: What is your favorite performance muffler?
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#33 |
Registered User
Join Date: Nov 2008
Location: Rapid City SD
Posts: 36
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Re: What is your favorite performance muffler?
Flowmaster
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#34 |
Registered User
Join Date: Feb 2009
Location: OKC OK
Posts: 489
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Re: What is your favorite performance muffler?
X4-5 MAGNAFLOWS!! quoting Cheech martin, "on twice pipes, man"
Not quite as loud as flowmasters, got a real deep, mellow, LUB,LUB,LUB to them.....
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"You can put lipstick on a pig, sure it's pretty pig, but it's still just a PIG... ![]() 71 ![]() Last edited by UltraBlue71; 06-01-2009 at 10:01 PM. |
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#35 |
Just Not Low Enough!
Join Date: Mar 2009
Location: Phoenix, AZ
Posts: 525
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Re: What is your favorite performance muffler?
Have flowmaster 44's, (not impressed)
Had gibson (gotta love the sound) headed for the borlas, been good to me before....
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NEED ELECTRICAL HELP? ASK ME! 67-72 Full Wiring Diagrams Lots Of Info, TAKE A LOOK 1967 Chevy C-10 Shortbox Bagged 327 4spd ![]() Previous: 1971 Chevy C-10 Short Sep I6 Auto (Traded) 1973 Chevy C-20 *THE REDNECK BATTLE TRUCK* 2001 Chevy Silverado 2Dr 5.3L Shortbox. R.I.P. 1969 Volkswagen Bug This is my first meeting, I have a horsepower problem. |
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#36 |
Trucks N Tranzams
Join Date: Dec 2002
Location: North Las Vegas, Nevada
Posts: 816
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Re: What is your favorite performance muffler?
Definitely Magnaflow and Flowmasters
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![]() '68 Chevy LB 383 TH400/GV/373 posi '56 Chevy 4WD SWB '64 Chevy short stepside '79 Trans Am 455/TH2004R/12blt/4whldisc 95 Kia (Wifes car) 2002 S-10 extended cab pickup "God punishes small sins immediately" |
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#37 |
Gearhead
Join Date: Jan 2008
Location: Colorado
Posts: 1,193
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Re: What is your favorite performance muffler?
I would say Borla as well, had their cat back on my 06' GTO and it sounded awesome, but that coulda just been the 6.0 as well...
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2002 Saturn SL2, My D/D 2019 Ford Fusion SE, Ecoboost - Wife's D/D 1993 Camaro Z28, A4, CAI, Cat-Back Exhaust Project C10 (my 72' C10 w/96' LT1, 700R4, bagged F&R, 18's (for now), Short/Fleet) -- SOLD! Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=313644 |
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#38 |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: What is your favorite performance muffler?
Just took Raptors of mine. They were $40 for 2 about 12 years ago. Still in great shape just sold em for $20
..no more mufflers for me.
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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#39 |
Registered User
Join Date: Apr 2009
Location: chino hills , ca
Posts: 34
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Re: What is your favorite performance muffler?
my favorite has got to be the one my buddy mike makes
the coffin box http://www.thepiratelab.com/gallery/...all&gallery=18 |
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#40 |
Registered User
Join Date: Feb 2009
Location: A****er, CA
Posts: 5,594
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Straight pipes! Remember..... "Loud Pipes Saves Lives" Mufflers.... I don't need no stinken mufflers!
![]() ![]() But,Sometimes A fire extinguisher is okay. ![]()
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C/10 Rene 1966 Short Fleet "The Hag" 1967 CST Short Fleet "Dark Poly" 1971 Short Fleet 1970 Jimmy Custom 2 WD "Golden Ticket" 1972 Blazer 2 WD "Retro Blaze" |
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#41 |
Registered User
Join Date: Nov 2007
Location: Plymouth, MN
Posts: 5
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Re: What is your favorite performance muffler?
I am partial to supertrapps, lol.
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#42 |
Registered User
Join Date: Jan 2008
Location: Tejas
Posts: 691
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Re: What is your favorite performance muffler?
I personally think Borla xr-1's sound amazing with all of the other straight through mufflers second. Like pypes race pro, dynomax ultra flo etc. They don't mask the sound of the motor like a Flow type muffler does. They sound raw
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'72 cheyenne super step, '05 long bed gmc |
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#43 |
Registered User
Join Date: Feb 2006
Location: Smyrna, Ga
Posts: 1,647
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Re: What is your favorite performance muffler?
whats so different about spintech mufflers? i have never heard of them. just curious.
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#44 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: What is your favorite performance muffler?
It's it comes down to personal taste. I had 40's and on my BB truck and I did not like the echo type/tinny sound...it's something you got to hear. My ears will hear sounds different than other ears. To me the spintech has a true deeper BB sound. All mufflers have qualities that make buyers prefer them. Thats just me and I am sure others will disagree. It's like colors...if we all had Green trucks our trucks would soon get boring.
__________________
A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#45 |
Registered User
Join Date: Nov 2008
Location: SHERWOOD,ARKANSAS
Posts: 43
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Re: What is your favorite performance muffler?
For me it would be Flowmaster---I have ran them on a 65 Mercury Comet Caliente and on my 67 Chevy trk. They sound great and have good performance.They are also priced right for folks on a buget.
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#46 |
Where's my beer?
Join Date: Oct 2004
Location: Glen Allen, VA
Posts: 1,768
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Re: What is your favorite performance muffler?
I have 50 series Flowmasters on my Vette and love them. They are not too loud, and do not have the drone of 40 series. On my truck I couldn't tell you what they are, but they are louder inside than the flowmasters, but it's got a built 6cylinder and the pipes come out right in front of the rear tires, as opposed to out the back on the Vette.
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70 C10, shortstep, .30 over 250,Hurst shifted 3 spd parts hauler. Holley 390, Clifford Intake, Header, ported cylinder head, unknown bigger cam. 79 Corvette L82, 4 spd, black, red interior, headers, flowmasters, and unkown bigger cam. '03 Grand Cherokee Laredo, 4.0 4x4 daily driver. 165K miles, and runs great '08 Tahoe LTZ 4x4 155K |
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#47 |
Boosted Member
Join Date: May 2002
Location: Mackinaw, IL
Posts: 2,200
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Re: What is your favorite performance muffler?
Here is my favorite performance muffler....
![]() hehe
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1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq 1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift 1964 Buick Skylark Twin TURBO 383 LS pro-touring project 2014 VW Passat TDI - Daily Driver Turbo diesel 2015 Sierra Denali HD Duramax Turbo diesel 2016 Ford Explorer Sport - Twin Turbskis 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards TURBO ALL THE THINGS!! |
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#48 |
1970 Daily Driver
Join Date: Jun 2007
Location: Glenns Ferry IDAHO
Posts: 1,037
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Re: What is your favorite performance muffler?
70cst, what spin techs are you running? Any pictures installed?
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It's not truly yours if you didn't build it yourself or if you don't do your own maintenance. |
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#49 |
It's all in the timing
Join Date: May 2009
Location: Lake Mary,Florida
Posts: 600
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Re: What is your favorite performance muffler?
Flowmaster IMO.
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#50 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: What is your favorite performance muffler?
http://www.spintechmufflers.com/spin...ntechindex.asp
Sportsman Street Part # 3332 2 1/2 Center with offset I had 40 series on my truck and to me they didn't sound right with my 402BB. I heard a set of Spin Techs with a BB and they seemed to have a deeper yet mellow sound. Again we all hear sounds differently which is why we have so many flavors of mufflers to choose from. I gave my 40's to a board member here...I think for free. Again...nothing wrong with Flowmasters...they just were not what I was lookin for. They are not installed as the Circuit Rider is still a month or two away from being finished. Project Circuit Rider... http://67-72chevytrucks.com/vboard/s....php?p=2964845
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! Last edited by 70cst; 06-19-2009 at 02:20 PM. |
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