KIT # 8148040
1973-1987 GM PICKUP, SUBURBAN, CARRYALL 1/2, 3/4 TON 4WD WITH 305-400
SMALL BLOCK V-8
NOTE: THE CATALYTIC CONVERTERS ARE NOT SUPPLIED WITH THIS EXHAUST
SYSTEM.
DANGER WARNING: SHOULD THE PURCHASER DECIDE TO INSTALL THIS
EXHAUST PRODUCT AT HOME, BE WARNED THAT PLEASURE CAR OR LIGHT DUTY
TRUCK/VAN “BUMPER” JACKS ARE INTENDED FOR EMERGENCY USE ONLY. THE
USE OF FRAME CONTACT JACK STANDS IN CONJUNCTION WITH A FLOOR JACK AS
MAIN SUPPORT IS HIGHLY RECOMMENDED TO MINIMIZE ACCIDENTAL DROPPING OF A
VEHICLE WHILE THE INSTALLATION PROCEEDS.
HARDWARE KIT:
4) LB7 HANGERS
1) #16526 LEFT MANIFOLD PIPE
4) SNAPPER GROMMETS
1) #16528 RIGHT MANIFOLD PIPE
4) 5/16” X 1-1/2” BOLTS
1) #16527 LEFT FRONT EXTENSION PIPE
4) 5/16” NUTS
1) #16529 RIGHT FRONT EXTENSION PIPE
6) 2-1/4” CLAMPS
2) #15507 LEFT & RIGHT REAR EXTENSIONS
2) F3-2-1/4 FLANGES
1) #15508 LEFT TAIL PIPE
1) #15509 RIGHT TAIL PIPE
HANGER CONSISTS OF AN ‘L’ STRAP CONNECTED TO THE FRAME WITH A 5/16”
BOLT, WASHER, SNAPPER GROMMET, AND NUT.
LIMITATION OF LIABILITY-DISCLAIMERS: THE REGULATION OF
EMISSIONS PRODUCTION, NOISE LEVELS AND SAFETY STANDARDS IS UNDERTAKEN
BY THE FEDERAL GOVERNMENT, EACH OF THE FIFTY STATE LEGISLATURES, AND BY
MANY LOCAL MUNICIPALITIES, TOWNS AND COUNTIES.
THE MANUFACTURER MAKES NO WARRANTIES OF
MERCHANTABILITY, OF FITNESS FOR A PARTICULAR PURPOSE, OR THAT ITS
PRODUCTS ARE APPROVED FOR GENERAL USE, OR THAT ITS PRODUCTS
COMPLY WITH LAWS, REGULATIONS OR ORDINANCES IN THE STATES WHERE THEY
MAY BE SOLD TO THE ULTIMATE PURCHASER, THE CONSUMER.
THE ENTIRE RISK AS TO THE CONFORMITY OF THIS PRODUCT
IN ANY SUCH STATE AND AS TO REPAIR, SHOULD THE PRODUCT PROVE TO BE
DEFECTIVE OR NON-CONFORMING, IS ON THE RETAIL PURCHASER, THE BUYER, THE
ULTIMATE CONSUMER, OF SUCH PRODUCT AND IT IS NOT UPON THE SELLER,
DISTRIBUTOR, OR MANUFACTURER.
IN THIS CONNECTION, THE RETAIL PURCHASER, THE BUYER,
THE ULTIMATE CONSUMER ASSUMES THE BURDEN OF THE ENTIRE COST OF
ANY AND ALL NECESSARY SERVICE, ALTERATIONS AND OR REPAIR.
THE FOREGOING STATEMENT LIMITS THE LIABILITY OF THE
MANUFACTURER.
CALIFORNIA VEHICLE CODE SECTION 27156 PROHIBITS THE
ADVERTISING, OFFERING FOR SALE, OR INSTALLATION OF ANY DEVICE WHICH
MODIFIES A VEHICLE’S EMISSION CONTROL SYSTEM. THIS PRODUCT
IS THEREFORE NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON VEHICLES
EQUIPPED WITH CATALYTIC CONVERTERS.
INSTALLATION INSTRUCTIONS:
NOTE: DO NOT TIGHTEN ANY CLAMPS OR NUTS UNTIL THE LAST STEP!!
1) REMOVE THE OLD EXHAUST SYSTEM. SAVE THE OLD SLEEVES (IF
NECESSARY) FROM THE ORIGINAL FRONT PIPES. REMOVE THE OLD HANGERS.
2) INSTALL THE LEFT (#16526--83 DEG. BEND) AND RIGHT (#16528--45
DEG. BEND) MANIFOLD PIPES USING THE NEW GASKETS AND FLANGES, AND THE
OLD SLEEVES IF NECESSARY. TIGHTEN ONLY ENOUGH TO HOLD IN PLACE.
3) INSTALL THE LEFT (#16527--55” LONG S-BEND) AND RIGHT
(#16529--45” LONG S-BEND) EXTENSION PIPES TO THE MANIFOLD PIPES USING
2-1/4” CLAMPS. NOTE: FOR VEHICLES REQUIRING CATALYTIC
CONVERTERS TO MEET EPA GUIDELINES, CONVERTER PART # 73-7774 OR
EQUIVALENT SHOULD BE INSTALLED ON PIPES #16527 & #16529. SEE
DRAWING. CONVERTERS ARE NOT INCLUDED IN THIS KIT.
4) INSTALL THE MUFFLERS ONTO THE FRONT EXTENSION PIPES USING
2-1/4” CLAMPS. ROTATE THE FRONT EXTENSION PIPES TO CLEAR THE
TRANSFER CASE, DRIVESHAFT, AND FRAME. OVER THE FRONT OR REAR OF
THE MUFFLERS YOU WILL FIND A CROSS-MEMBER OR BODY MOUNT THAT A HOLE CAN
BE DRILLED FOR A 5/16” BOLT TO HOLD AN LB7 HANGER IN PLACE.
ATTACH THE LB7 TO THE FRAME USING A 5/16” BOLT, GROMMET, AND NUT, AND
CLAMP TO THE MUFFLER USING A 2-1/4” CLAMP.
5) IF REQUIRED, INSTALL THE 26” LONG #15507 LEFT AND RIGHT REAR
EXTENSIONS (NOT USED FOR BLAZER) TO THE MUFFLER USING A 2-1/4” CLAMP.
6) INSTALL THE LEFT (#15508) AND RIGHT (#15509) TO THE REAR
EXTENSIONS USING A 2-1/4” CLAMP.
7) TRIM TAIL PIPES TO YOUR DESIRED LENGTH. AS THE TAIL PIPE
GOES UNDER THE FRAME ON ITS WAY OUT OF THE VEHICLE, FIND A HOLE IN THE
AREA OR DRILL A 5/16” HOLE IN THE FRAME. INSTALL AN LB7 HANGER
USING A 5/16” BOLT, NUT AND GROMMET AND CLAMP THE HANGERS TO THE TWO
PIPES USING 2-1/4” CLAMPS.
8) MAKE SURE THAT ALL THE PARTS OF THE SYSTEM ARE CLEAR OF FRAME
MEMBERS, ALL HOSES, SUSPENSION, AND BRAKE AND FUEL LINES.
STARTING AT THE EXHAUST MANIFOLDS, TIGHTEN ALL CONNECTIONS AND
NUTS. MAKE SURE ALL PARTS ARE CLEAR AND WILL NOT LEAK OR
RATTLE. AFTER SEVERAL DAYS OF DRIVING RETIGHTEN ALL BOLTS.