EDELBROCK CAT-BACK EXHAUST SYSTEM
for 1988-1994 Chevrolet/GMC Trucks, 2WD & 4WD 350 V8,
& (1990 Only) 454 SS
Catalog #5600
INSTALLATION INSTRUCTIONS
Please study these instructions carefully before installing your new Cat-Back Exhaust System. If you have any questions,
please contact our
Standard Time or e-mail us at
Technical Hotline at: 1-800-416-8628, 7:00 am to 5:00 pm, Monday through Friday, Pacific
edelbrock@edelbrock.com. Please fill out and mail your warranty card.
Suggested Tools for Installation:
❑ 3/8” rachet set and 15mm sockets
❑ 9/16” and 15mm wrenches
❑ Jackstands
❑ Liquid penetrant
Disassembly
1. Raise vehicle and support with the proper
jackstands, leaving the rear suspension
hanging.
2. Use caution around hot exhaust systems to
avoid burns.
3. Use penetrating oil on all nuts and bolts.
4. Remove all nuts, bolts, and hanger lances from
the rear of the catalytic converter to the tail
pipes.
5. Remove the old exhaust system from the rear
working forward towards the catalytic converter.
Assembly
1. Place 3” band clamps on intermediate pipe ends
and slip onto catalytic converter, aligning the
notch with the key on the catalytic converter.
2. Slip muffler onto the intermediate pipe. Note:
Inlet end of muffler is marked “Inlet”.
Applications:
Pick-Up, 88-94 Standard Cab, Short Bed
Pick-Up, 1990 Short Bed, 454 SS
3. Use the rear tailpipe lance on the muffler as
illustrated. The muffler lance will be switched to
the rear to hang the tailpipe assembly.
4. Attach axle pipe to muffler using two gaskets
and 3/8” nuts, bolts, and lock washers.
5. Attach tailpipes to the axle pipe using the
remaining gaskets and fasteners.
6. The small two-hole bracket is for thefinal
adjustment of tail pipe-to-bumper (or fender)
clearance, and may not beneeded in some
applications.
7. Install tailpipe tips using supplied 2-1/2” band
clamps.
8. Check for clearance to body, frame, and driveline
as you tighten the system from front to rear.
9. Check for leaks and correct, if any is found.
WARNING!!!
Exhaust gas contains carbon monoxide, a deadly invisible gas. Correct any leaks before driving!
©2007 Edelbrock Corpora
Brochure #63-0477
tion
Page 1 of 2
Rev
talog #5600
Ca
11/07 -
.
AJ/mc
Catalog #5600
BBaanndd ccllaammpp
(inverted)
Stock hanger
Stock rubber
hanger insulator
Intermediate pipe
(inverted)
Stock hanger
WARNING: These Cat-back Systems are engineered
to fit stock catalytic converters or equivalent
replacements. If your original system has been
modified, Edelbrock will not warranty fit or
performance.
Stock bolt
FFrroonntt hhaannggeerr ddeettaaiill
IInntteerrmmeeddiiaattee PPiippee AAsssseemmbbllyy
Rev. 11/07 - AJ/mc
BBaanndd ccllaammpp
bolt, nut, &
lockwasher
Stock sliding bracket
(original rear hanger)
SSDDTT MMuufffflleerr
3/8"-16 x 1-1/4"
Stock bolt
TTwwoo--bboolltt ffllaannggee ggaasskkeettss
rear flange
Axle pipe
Page 2 of 2
Extension
bracket
Extension bracket
some applications)
(not required for
WARNING: Support your vehicle with proper
free for easy system removal.
Place stands so that the rear axle is allowed to hang
jackstands or ramps rated for the total vehicle weight.
Stock sliding bracket
RReeaarr hhaannggeerr ddeettaaiill
AAxxllee PPiippee AAsssseemmbbllyy
Stock sliding bracket
(original muffler hanger)
or
TTwwoo--bboolltt ffllaannggee ggaasskkeettss
U-clamps
3/8” lockwashers
3”
Side Outlet Tail Pipe Assy.
KIT CONTENTS – SDT CAT-BACK EXHAUST SYSTEM
Tailpipe Tips (Polished SS) (Not Shown)
Extension bracket
some applications)
(not required f
82-5590
46-5186
55764 SDT Muffler
Qty. Part # Description
1
25-3007
1 25-3000 Intermediate Pipe
1 25-3004 Axle Pipe Assembly
1
23-1606 Two-hole extension bracket
10 36-0710 3/8”-16 x 1-1/4" bolts
1
4 33-5400 2-1/2” two-bolt gaskets
1 23-1607 Extension bracket
10
10 60-9185 3/8”-16 nuts
25-5582
2 23-1607 2-1/2” Band clamps
2
2
TTaaiill PPiippee AAsssseemmbbllyy
Brochure #63-0477
©2007 Edelbrock Corporation