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Old 06-26-2001, 02:50 PM   #1
Reflex-Arc
Lord of the Gif
 
Member#: 1703
Join Date: Jun 2000
Chapter/Region: NWIC
Location: I recommended the Sanchez.
Vehicle:
2012 Fiat 500 Sport
Copper

Question Exhaust install question.

This weekend I received and installed a Brullen catback exhaust. Upon install I found that the spring loaded bolts that connect the midpipe to the cat were to short due to the fact that the flange on the brullen was about 1/4 to 1/2 inches farther back than the stock set up. As a quick fix, I went to the hardware store and got to bolts and some large washers to hold the spring in place and connected the two pieces. When I fired up the car there was a stong odor of exhaust fumes in the car, so I crawled under the car and tightened my makeshift springbolts a bit further. Next time I fired up the car, the exhaust fumes were gone. Also, after the ECU reset, when the car sits and idles for a while, I did nto notice any exhaust smell. I figured that was that. However, now I have noticed a sweet/hot smell coming from under the car after a spirited drive.
My question is; Have I tighened down my MacGyvered bolts to far and am I cooking the Cat somehow (please note, the springs are not fully compressed) or is that smell just the new midpipe cooking off the black paint it came with (I have noticed that it has bubbled and/or flaked near the cat)?

Is it normal for a new exhaust system to smell "hot" for a while after the install?

Thank's for any help/reassurance you can give me
-Jamie
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Old 06-26-2001, 03:36 PM   #2
jeffg
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It is hard to say about the brand of exhaust you bought. Some have paint or other coatings that get cooked for the first little while after install. As long as you are not getting a leak at the joint, I think you are fine. I would not worry about it too much.
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Old 06-26-2001, 04:39 PM   #3
zzyzx
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2013 Boss 302 White
2000 2.5 RS Coupe Silver

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Expect weird smells for a few days, but after that it shouldn't smell. I would seriously consider replacing the dognut-shaped gasket that goes between the midpipe and cat. Sound like that is probably shot. You can get it from a Subaru dealer.

Sucking carbon monoxide is not a good thing, IMO.

- Steve
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Old 06-27-2001, 11:54 AM   #4
Reflex-Arc
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Location: I recommended the Sanchez.
Vehicle:
2012 Fiat 500 Sport
Copper

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I replaced the gasket yesterday. We'll see how long the smell persists

thank you!
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