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91 Camaro Home Cooked 3" Side Pipe

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Old Sep 2, 2009 | 11:17 AM
  #1  
Racing_Master's Avatar
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
91 Camaro Home Cooked 3" Side Pipe

Hey all, want to know what you think of my single passenger side dump side pipe I made for my camaro. Exhaust is: Headman Shorty Headers and Y pipe, No Cat, 3" diameter Stainless Works muffler, and a exhaust bend taken from an old 3" Y Pipe. How does it sound? and any ideas on how to make it even better?

The fit was hard, also. Took a hammer and bent up my pinch rails, and bashed in my floor to fit the 3" muffler in without it being close to the ground. Also for hangers, I said **** them and welded the muffler with small spot welds to the pinch rail, in multiple areas. She doesnt rattle, though is loud... loud loud loud! The tone at idle is agressive, but not too ear drum piercing. The rev volume, however, is almost like open headers.

http://www.youtube.com/watch?v=JQtzgkrmhnY

Let me know what you think, how it could be better, and maybe ideas on how to make it a dual side pipe, one on each side instead of just passenger dump
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Old Sep 2, 2009 | 03:54 PM
  #2  
sid rs91's Avatar
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From: Vancouver, B.C
Car: 91 RS TBI 91 Z28 TPI
Engine: 305
Transmission: wc T5
Re: 91 Camaro Home Cooked 3" Side Pipe

its sounds pretty mean..must just scream when you floor it!
cant really see it in vid. pipes on both sides would be cool too
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Old Sep 2, 2009 | 04:45 PM
  #3  
I H8 WWD's Avatar
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From: Cleveland, Ohio
Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: 91 Camaro Home Cooked 3" Side Pipe

Read my comment on youtube. Sounds not to bad though.
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Old Sep 2, 2009 | 04:51 PM
  #4  
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
Re: 91 Camaro Home Cooked 3" Side Pipe

Thanks for your comments!

She sounds really mean and screams when I just get on it lightly. At the moment I just suffer a stiff gas pedal so its hard to really go anywhere lightly, hehe. It is unregistered, so I been puttin around the parking lot at work, though if all goes to plan, it might get registered tomorrow! Then I can show you guys what it sounds like going down the street.
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Old Sep 2, 2009 | 05:09 PM
  #5  
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From: levittown PA
Car: 91 mustang
Engine: ls1
Transmission: 4L60E
Axle/Gears: 3.55 8.8
Re: 91 Camaro Home Cooked 3" Side Pipe

not trying to rain on yoru parade, but those welds are going to break....and soon. the engine will move ever so slightly every time you take off (hard or not) and the more you beat on it the faster the welds are going to crack. overall its kinda neat (not legal though me thinks). sounds better than the manaflow setup i wasted money on (that didnt fit might i add).
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Old Sep 2, 2009 | 05:33 PM
  #6  
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
Re: 91 Camaro Home Cooked 3" Side Pipe

Originally Posted by leonpiper69
not trying to rain on yoru parade, but those welds are going to break....and soon. the engine will move ever so slightly every time you take off (hard or not) and the more you beat on it the faster the welds are going to crack. overall its kinda neat (not legal though me thinks). sounds better than the manaflow setup i wasted money on (that didnt fit might i add).
Yeah the welds are going to start cracking, I know that, in fact the reason I Did not solid weld it completely with beads was because I know about flex, I also am most likely going to install a flex pipe, if I can fit it, between the Y pipe and the muffler to help with giving it flex. For now she is spot welded only, and the muffler is not welded to the tip or the pipe leading to the Y, giving it a little more flex. the tip is also welded to the pinch rail at the curve. I am still nervous about the welds so I am also going to install a couple straps under the muffler, to hold it up and catch it if the welds break, so I don't lose it on the street.

EDIT: I forgot to tell you guys the total cost of my exhaust:
Headers and Y Pipe: $360
Muffler: $140
Bits of 3" Piping: FREE!
Total Cost: $505 for complete exhaust

Last edited by Racing_Master; Sep 2, 2009 at 06:02 PM. Reason: Cost of the parts! maybe you want to do this to your camaro.
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Old Sep 3, 2009 | 05:34 PM
  #7  
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
Re: 91 Camaro Home Cooked 3" Side Pipe

Hey guys, just an update. For those who couldnt see the side pipe, here are some images of my camaro, and its side pipe. I added a tip just today to make it look even better. You can see the way its spot welded to the car in the images, So far, even with a beat run, no cracks or signs of cracking. Monitoring every test drive. Problem right now is just a coolant leak at the gooseneck (keeps blowing gaskets! >.<!)









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Old Sep 4, 2009 | 12:20 PM
  #8  
punkdude908's Avatar
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From: Huntington, NY
Car: 1983 Pontiac Firebird
Engine: LG4 305ci 4bbl
Transmission: 700r4
Axle/Gears: 10-bolt open diff.
Re: 91 Camaro Home Cooked 3" Side Pipe

looking good! sounds pretty good too! looks like you did a pretty nice job. i like the side exit exhaust...i'll be doing something similar with my car soon.
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Old Sep 4, 2009 | 05:13 PM
  #9  
88TATBI5.7's Avatar
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From: Ct valley
Car: 88 TA
Engine: TBI 5.7
Transmission: 700R4
Re: 91 Camaro Home Cooked 3" Side Pipe

isnt it going to get hot enough to warp the ground effects?
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Old Sep 4, 2009 | 05:57 PM
  #10  
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
Re: 91 Camaro Home Cooked 3" Side Pipe

Originally Posted by 88TATBI5.7
isnt it going to get hot enough to warp the ground effects?
Yep! its the drawback, but I don't really care since its only gonna melt around the tip. Kind of make its own opening. I can trim it and clean it up later. I drove it home today, and loved it. Problem with the car now is timing I think... the exhaust is already bluing by the Y pipe, and the tip blued a little bit and melted the side skirt.
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Old Dec 16, 2009 | 02:31 PM
  #11  
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: 91 Camaro Home Cooked 3" Side Pipe

Did you use cats by any chance?

Tony.
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Old Dec 16, 2009 | 08:15 PM
  #12  
Racing_Master's Avatar
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From: Hooksett NH, USA
Car: 1991 Camaro RS
Engine: 305 TPI V8
Transmission: T-5
Axle/Gears: Stock V6 Rear End
Re: 91 Camaro Home Cooked 3" Side Pipe

Originally Posted by DeathMetalTony
Did you use cats by any chance?

Tony.
Nope, I do not use cats at all in this design. There is no room with the way I routed it.

An update, by the way on this, running good, one weld cracked but I was expecting that one to, the rest are holding strong. I might install a flexpipe in there to cut down on the stress on the welds. Its winter time so its time to start working on the camaro in the garage, Adding autometer gauges, and I might need to work on the engine, she is smoking under heavy accel, so its rings arent healthy. Though I can deal with some oil burning, it really is not excessive at the moment.
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Old Dec 16, 2009 | 09:11 PM
  #13  
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: 91 Camaro Home Cooked 3" Side Pipe

Originally Posted by Racing_Master
Nope, I do not use cats at all in this design. There is no room with the way I routed it.

An update, by the way on this, running good, one weld cracked but I was expecting that one to, the rest are holding strong. I might install a flexpipe in there to cut down on the stress on the welds. Its winter time so its time to start working on the camaro in the garage, Adding autometer gauges, and I might need to work on the engine, she is smoking under heavy accel, so its rings arent healthy. Though I can deal with some oil burning, it really is not excessive at the moment.
I want to run dual cats and dual muffler i'm going with the dynomax race muffler and 2 catco cats.

Tony.
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