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  #1  
Old Oct 22nd, 09, 11:35 PM
fjas67 fjas67 is offline
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frank
 
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Default Exhaust system for sb350 67 camaro

i have a 67 camaro with a pretty stock sb350 with a mild cam...hooker headers, what's a good exhaust system to go with??? I was just gonna run straight pipes but i heard i'd loose a lot of backpressure...i want the car to have a deep loud sound to it. i was gonna go with the traditional flowmaster 40 series but i kind of am curious to hear another exhaust system...what do you guys think of the pypes exhaust systems??? i was thinking about the 2.5" x-pype system with the race pro mufflers...what exhaust system do you guys recomend PYPES PERFORMANCE EXHAUST
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  #2  
Old Oct 23rd, 09, 03:52 AM
Jess67 Jess67 is offline
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Default Re: Exhaust system for sb350 67 camaro

I bought a 2.5 inch exhaust kit from Summit racing I think it was 175. It came with all the stuff, bolts, hangers, two mufflers, only thing I had to buy was the header adapters and gaskets. It went into place and it fit great. Sounds alright. Maybe not what you are looking for, but for the money I thought it was a good deal..
Jess
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  #3  
Old Oct 23rd, 09, 04:42 AM
keithl1967 keithl1967 is offline
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Default Re: Exhaust system for sb350 67 camaro

I am hopefully instalkling the same pypes systemt this weekend (street pro mufflers, though)...I'lllet you know!

I currently run 3 inch pipes into 40 series flowmasters, and am extremely disappointed...it is loud for the sak eof loud, and lacks any "tone" to it...which is why I am making the change...
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  #4  
Old Oct 23rd, 09, 04:14 PM
keithl1967 keithl1967 is offline
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Default Re: Exhaust system for sb350 67 camaro

scratch that...I do have hte exhaust, but after some happenings, I need a new motor...I suppose I'll wait until the motor is rebuilt before I hook up the exhaust!
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  #5  
Old Oct 23rd, 09, 07:33 PM
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foreverlookin foreverlookin is offline
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Default Re: Exhaust system for sb350 67 camaro

The Flowmaster 17129 kit fits just like factory and sound good.
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  #6  
Old Oct 23rd, 09, 08:22 PM
fjas67 fjas67 is offline
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Default Re: Exhaust system for sb350 67 camaro

yeah...i'm going for a loud sounding exhaust with good tone...i've had flowmasters in the past and...they seem too quiet!!! has anybody out there tried the PYPES exhaust systems??? and what versions...i'd really like to get the violator, street pro or race muffler...but i wanna make sure its gonna be a good choice...
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  #7  
Old Oct 23rd, 09, 09:20 PM
67SS&99SS 67SS&99SS is offline
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Default Re: Exhaust system for sb350 67 camaro

I agree with you on regular 40 series flowmaster mufflers. They were too quiet for me as well. So I replaced them with one chambers.

On your setup, 2.5" with a x-pipe and dump them at the rear axle and I think you'll be happy with tone and volume level. I have flowmaster brand one chambers on my car, but I think that IMCO makes a cheaper version of it for around 35-40 bucks. I've heard them on several cars(my friend has an exhaust shop) and there was no difference in the sound. That could save you a few bucks.

Something slightly less agressive would be the super 40s. They sound great as well, but the case size is larger than a regular 40 series. They have deeper sound to them than the regular 40 series.






One chamber flowmaster's aren't quiet. Very aggressive tone.



idling

View Video on FQuick

gradually rolling into it a few times.





Its not a sbc, but a friend of mine had 1 3/4" long tubes, 3" dumped exhaust with a x-pipe and sweet thunder chambered mufflers on his LS1 Trans am which had a heads/cam upgrade. It was one of the best sounding gen III small block cars I've heard.

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Last edited by 67SS&99SS; Oct 23rd, 09 at 09:44 PM.
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  #8  
Old Oct 24th, 09, 06:35 AM
DOUG G DOUG G is offline
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Default Re: Exhaust system for sb350 67 camaro

Pypes makes a nice system. I went with the Flowmaster American Thunder kit in a 2.5" system. I like the sound but have heard they'll slow you up some (up to .3 ET) so I'm making some cut-outs

Hear it here
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  #9  
Old Oct 24th, 09, 07:41 AM
NUKER 67 NUKER 67 is offline

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Default Re: Exhaust system for sb350 67 camaro

I agree with Keith, I have 350 with a small cam, stock manifolds, 2 1/2 inch going into the 40 series Flow master. For my taste they are 'harsh sounding' with no low tone 'rumble'.
Really notice this since it's a convertible.
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  #10  
Old Oct 24th, 09, 10:44 AM
Gar's67 Gar's67 is offline
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Default Re: Exhaust system for sb350 67 camaro

I also went with the Flowmaster 17129 kit. I think it sounds awsome. The collectors are kinda cheap so my exhaust guy used some nicer ones instead. I did a search on Amazon and only paid $325 with shipping. The sound is a bit on the "loud" side however my interior still needs to be installed. I love it!
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  #11  
Old Oct 25th, 09, 11:28 PM
fjas67 fjas67 is offline
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frank
 
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Default Re: Exhaust system for sb350 67 camaro

thanks for all the info Andy!!! i think i'll go with 2.5" piping with an X-pipe with the Flowmaster one chamber race mufflers...one question though...will that give me enough backpressure that i need??? as i stated before..i was planning to just run straight pipes out of the headers but my exhaust shop said i'd loose a lot of backpressure...so my question is...what is backpressure and why do i need it??? and...will the one chamber flowmaster race mufflers give me the backpressure i need?
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  #12  
Old Nov 15th, 09, 03:48 PM
keithl1967 keithl1967 is offline
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Default Re: Exhaust system for sb350 67 camaro

Finally got the Pypes system installed...sounds nice--good manners (nice rumble) at idle, and an awesome growl on acceleration...

Not just plain loud for loud's sake like th eflowmasters were...

I am running a 2.5 header back X pype w/ street pro mufflers...dumps behind the rear axles...
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  #13  
Old Nov 23rd, 09, 04:15 PM
fjas67 fjas67 is offline
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frank
 
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Default Re: Exhaust system for sb350 67 camaro

good to hear you like your new setup keith! if possible would you be able to get a sound clip or video of the way it sounds??? still debating on the exhaust system i wanna go with...thanks!
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  #14  
Old Nov 23rd, 09, 07:15 PM
keithl1967 keithl1967 is offline
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Default Re: Exhaust system for sb350 67 camaro

I'll see what I can do this weekend...can I post a sound clip on "photobucket"?
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1967 Camaro
406, 10:1, comp xr282HR, Dart Iron Eagle 200cc, Holley Contender dual plane, Holley 750 DP
Muncie M-20
GM 8.5, 3.73 posi
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  #15  
Old Nov 23rd, 09, 08:07 PM
JAYARTER JAYARTER is offline
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Default Re: Exhaust system for sb350 67 camaro

Greetings from Arizona
I have 69 droptop with 2.5 pipes with single Flowmaster
40 behind rear diff in stock position. Don't like mufflers hanging low
in front of diff. Exits out rear... I'm happy with system but is little loud
inside car when driving...no cell phone calls in car at 65 +.
Has anyone tried Flowmasters new line of "Hushpower" ?
Might try those in 68 Chevelle or on 66 SS Chevyll !
Jay and Bj
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