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305 h.o exhaust

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Old May 30, 2012 | 03:16 PM
  #1  
86'sportcoupe's Avatar
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From: Ohio
Car: '86 Sport Coupe
Engine: 310"
Transmission: 700r4
Axle/Gears: Stock 10 bolt. 2.73's
305 h.o exhaust

i have a 86 camaro sport coupe it has a l69 305 h.o its bored .30 over and its got headers, it has more power than stock and im looking for a muffler im thinking the flowmaster 80 but i want it pretty loud and iv heard the 80s are not very loud any suggestions?
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Old May 31, 2012 | 02:56 PM
  #2  
2007xl50's Avatar
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From: Streetsboro Oh
Car: 1987 T/A WS6 T-Tops/92 RS
Engine: LB9/3.1
Transmission: 700R4/700R4
Axle/Gears: 2.73/3.23
Re: 305 h.o exhaust

Originally Posted by 86'sportcoupe
i have a 86 camaro sport coupe it has a l69 305 h.o its bored .30 over and its got headers, it has more power than stock and im looking for a muffler im thinking the flowmaster 80 but i want it pretty loud and iv heard the 80s are not very loud any suggestions?
Are you running a cat? Flowmasters don't seem to like cat's if you want to get a good sound out of them I had the Flow 40's on my old 5.0 Foxbody and with the cated H-pipe they were not loud at all, but once I got the catless H-pipe they sounded real good evern with tailpipes. I had the SS 40 Delta flows on my mild 307 Nova last year, 2.5" with Headman long tubes dumped in fornt of the rear axle and it sounded good! I just have a Summit Racing 24" glass pack in place of the cat with about a 1 foot spout off it and it don't sound bad at all on my stock LB9. If you don't mind not having 2 tips at the rear you could run a Flowmaster 10 1 chamder from the mid pipe in the stock location and just run a dump off it so the single exit would not been seen. Mufflers are a tricky thing to pick out as you know how you want your car to sound in your head, but alot of times that's not how they sound in real life.
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Old Jun 1, 2012 | 12:13 PM
  #3  
86'sportcoupe's Avatar
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From: Ohio
Car: '86 Sport Coupe
Engine: 310"
Transmission: 700r4
Axle/Gears: Stock 10 bolt. 2.73's
Re: 305 h.o exhaust

Originally Posted by 2007xl50
Are you running a cat? Flowmasters don't seem to like cat's if you want to get a good sound out of them I had the Flow 40's on my old 5.0 Foxbody and with the cated H-pipe they were not loud at all, but once I got the catless H-pipe they sounded real good evern with tailpipes. I had the SS 40 Delta flows on my mild 307 Nova last year, 2.5" with Headman long tubes dumped in fornt of the rear axle and it sounded good! I just have a Summit Racing 24" glass pack in place of the cat with about a 1 foot spout off it and it don't sound bad at all on my stock LB9. If you don't mind not having 2 tips at the rear you could run a Flowmaster 10 1 chamder from the mid pipe in the stock location and just run a dump off it so the single exit would not been seen. Mufflers are a tricky thing to pick out as you know how you want your car to sound in your head, but alot of times that's not how they sound in real life.
yes i am running a cat i think the 10 series is probably a little too loud i might just ditch the cat and go with the 80 series, do you think it will pass emissions without a cat?
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Old Jun 1, 2012 | 03:53 PM
  #4  
Dakota W.'s Avatar
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From: Aloha, Oregon
Car: 1991 Christine Z28
Engine: RV Cam and Intake 350 SBC
Transmission: 5speed
Axle/Gears: 3.08 ls Posi
Re: 305 h.o exhaust

What kind of sound are you going for?
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Old Jun 1, 2012 | 04:02 PM
  #5  
84Camarodriver's Avatar
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Joined: Aug 2011
Posts: 79
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From: Ontario, Canada
Car: 84 camaro
Engine: 305 H.O
Transmission: 700R4
Axle/Gears: 3.42
Re: 305 h.o exhaust

i doubt it will pass, depends where you live,. if you go with a 3 inch true dual doesnt matter how you do it, it will be loud
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Old Jun 1, 2012 | 04:53 PM
  #6  
86'sportcoupe's Avatar
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From: Ohio
Car: '86 Sport Coupe
Engine: 310"
Transmission: 700r4
Axle/Gears: Stock 10 bolt. 2.73's
Re: 305 h.o exhaust

Originally Posted by Dakota W.
What kind of sound are you going for?
Im looking for a decently loud low rumble
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Old Jun 1, 2012 | 04:54 PM
  #7  
86'sportcoupe's Avatar
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From: Ohio
Car: '86 Sport Coupe
Engine: 310"
Transmission: 700r4
Axle/Gears: Stock 10 bolt. 2.73's
Re: 305 h.o exhaust

Originally Posted by 84Camarodriver
i doubt it will pass, depends where you live,. if you go with a 3 inch true dual doesnt matter how you do it, it will be loud
I would love to do true duals but its just to complicated, and im broke lol
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Old Jun 1, 2012 | 06:37 PM
  #8  
Dakota W.'s Avatar
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Joined: Aug 2011
Posts: 1,178
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From: Aloha, Oregon
Car: 1991 Christine Z28
Engine: RV Cam and Intake 350 SBC
Transmission: 5speed
Axle/Gears: 3.08 ls Posi
Re: 305 h.o exhaust

Originally Posted by 86'sportcoupe
Im looking for a decently loud low rumble
You want a Magnaflow muffler then.
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Old Jun 1, 2012 | 07:24 PM
  #9  
86'sportcoupe's Avatar
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Joined: May 2012
Posts: 126
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From: Ohio
Car: '86 Sport Coupe
Engine: 310"
Transmission: 700r4
Axle/Gears: Stock 10 bolt. 2.73's
Re: 305 h.o exhaust

Originally Posted by Dakota W.
You want a Magnaflow muffler then.
ok thanks
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Old Oct 25, 2012 | 04:17 AM
  #10  
kmcn47's Avatar
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From: Lynden WA
Car: 84 Trans Am, 84 Fiero, 86 944
Engine: 5.0, 2.5, 2.5
Transmission: 5spd
Re: 305 h.o exhaust

maybe not every county, but in ohio your cars pretty much old enough not to worry about emissions
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