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68 convert w/chambered undercar exhaust

brumbach

Well-known member
Joined
Mar 6, 2004
Messages
330
Location
Middleboro, KY
Corvette
1965 convertible
I just installed undercar chambered exhaust that I purchased from Mid-America. No instructions came with the system but how hard can it be? The exhaust to tail pipe connection doesn't look right. They set too low in the rear panel. I thought maybe I had the two end pieces reserved, so I changed them out. Solved the problem but created another. Now they angle inward. Any thoughts? If anyone has the same system installed on your 68 and wouldn't mind snapping a picture of the rearend would be nice.

Thanks,

Bill
 

68Roadster

Well-known member
Joined
Dec 16, 2002
Messages
1,040
Location
Dallas, TX
Corvette
'68 White Vert '05 Silverado SS
Bill,
Have same setup on mine.....PM me and I will snap a picture tomorrow....too dark right now.

Cee
 

smrtmblues

Active member
Joined
Jan 13, 2006
Messages
25
Location
Tomah, Wisconsin
Corvette
'75 L82, '69 Can Am Widebody
I put a set under my '75 this past summer and had to cut and weld the forward ends to fit up square with the headers. Going through the tunnel was a bear to get alignment with the angle to the headers and the small area in the cross-member. Ended up with about a 1/4" clearance on one side of each tube. Mine came out under the rear spring the same as above, but again, only had about a 1/4" clearance. Had to tweak everything to keep the system from rattling at an idle. Well worth all the time spent...can't beat the sound of chambered exhaust at 130!!! :D
 

fine69

Well-known member
Joined
Dec 12, 2004
Messages
975
Location
Maryland / D.C.
Corvette
'69 Convertible Vette; '72 Z28 Camaro Rally Sport
"...Any thoughts? If anyone has the same system installed on your 68 and wouldn't mind snapping a picture of the rearend would be nice...."

Bill,

I have the same system on my '69 (pics attached). It should be the same for the '68.

Ralph
 

fine69

Well-known member
Joined
Dec 12, 2004
Messages
975
Location
Maryland / D.C.
Corvette
'69 Convertible Vette; '72 Z28 Camaro Rally Sport

76corvette

Well-known member
Joined
Feb 6, 2003
Messages
95
Location
Minnesota
Corvette
1976 White L82 Coupe & 2001 White Convert
on my previous 76' i had the chambered exhaust and i absolutely loved it! the only concern about purchasing another one is that I will get stopped by the police as my previous could be heard from miles away. Anyone recommend the next notch down? currently im looking at hooker side exhausts....
 

fine69

Well-known member
Joined
Dec 12, 2004
Messages
975
Location
Maryland / D.C.
Corvette
'69 Convertible Vette; '72 Z28 Camaro Rally Sport
on my previous 76' i had the chambered exhaust and i absolutely loved it! the only concern about purchasing another one is that I will get stopped by the police as my previous could be heard from miles away. Anyone recommend the next notch down? currently im looking at hooker side exhausts....
Andy,

Hooker sidepipes... nice, but costly. A lower cost alternative would be some good glasspacks.

The ad in Summit for the Dynomax Thrush Magnum glasspack mufflers states they ".... give you maximum flow without annoying the sound police..."
Summit also has an H-Pipe that has been widely discussed in this forum. The H-pipe will help maximize your low end torque - also equalize and reduce (somewhat) the loud "pulse" noise from each firing cylinder.

The two glass packs and the H-pipe would cost you about 80 bucks.



Here are the links to Summit...
WLK-24214 Dynomax Thrush Magnum Glasspack Mufflers:
SUM-642025 Summit Balance Tube Kits:
Sure you could find these elsewhere... I'm just a huge fan of Summit - they've really been great to me, with the fastest shipping around!

:w
Ralph
 

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