KIT #22-2912 8148040 4804 1973-1987 GM PICKUP, …

1 KIT #22 - 2912 8148040 4804 1973 - 1987 GM PICK UP, SUBURBAN, CARRYALL 1/2, 3/ 4 TON 4WD WITH 305 - 400 S MALL BLOCK V - 8 NOTE: THE CATA LYT IC CONVERTERS ARE NOT SUP PLIED WITH THIS EXHAUS T SYSTEM. DANGER WARNING: SHOULD THE PURCHASER DECIDE TO INSTALL THIS EX HAUST PR ODUCT AT HOME, B E WARNED THAT PLEASURE CAR OR LIGHT DUTY TRUCK/VAN BUMPER JACKS ARE INTENDED FOR EMERGENCY USE ONLY. THE USE OF frame CONTACT JAC K STANDS IN CONJUNCTION WITH A FLOOR JACK AS MAIN SUPPORT IS HIGHLY RECOMMENDED TO M INIMIZE ACCIDENT AL DROPP ING OF A VEHICLE WHILE THE INSTALLATION PROC EEDS. HARDWARE KIT: 4) LB 7 HANGERS 1) #16526 LEFT MANIFOLD PIPE 4) SNAPPER GR OMMETS 1) #16528 RIGHT MANIFOLD PIPE 4) 5/16 X 1 - 1/2 BOLTS 1) #16527 LEFT FRONT EXTENSION PIPE 4) 5/16 N UTS 1) #16529 RIGHT FRONT EXTENSION PIPE 6) 2 - 1/4 C LAMPS 2) #15507 LEFT & RIGHT REAR EXTENSIONS 2) F3 21 4 FLANGES 1) #15508 LEFT TAIL P IP E 1) #15509 RIGHT TAIL P IPE HANGER CONSISTS OF AN L STR AP CONNEC TED TO THE FR AME WITH A 5/1 6 BOLT, WASHER, SNAPPER GROMMET, AND NUT.

2 LIM ITATION OF LIABILITY - DISC LAIM ERS: THE REGULATION OF EMISSIONS PRODUCTION, NOISE LEVELS AND SAFETY STANDAR DS IS UNDERTAKEN BY THE FEDERAL GOVER NMENT, EACH OF THE FIFTY STATE LEGISLATURES, AND B Y MANY LOCAL MUNIC IP ALITIES, TOWNS AND COUNTIES. THE M ANUFACTURER MAKES NO WARRANTIES OF MERCHANTAB ILITY, OF FITNESS FOR A PARTICULAR PURPOSE, OR THAT ITS PRODUCTS ARE APPROVED FOR GENERAL USE, OR THAT ITS PRODUCTS COM PLY WITH LAWS, REGULATIONS OR ORDINA NCES IN THE STATES WHER E THEY MAY BE SOLD TO THE ULTIMATE PURCHASER, THE CONSUMER. THE ENTIRE RISK AS TO THE CONFORM ITY OF THIS PRODUCT IN ANY SUCH STATE AND AS TO REPAIR, SHOULD THE PRODUC T PROVE TO BE DEFECTIVE OR NON - CONFORMING, IS ON THE RETAIL PURCHA SER, THE BUYER, THE ULTIM ATE C ONSUMER, OF SUCH PRODUCT AND IT IS NOT UPON THE SELLER, DIS TRIBUTOR, OR MANUFACTURER.

3 IN THIS CONNECTION, THE RETAIL PURCHASER, THE BUYER, THE ULTIM ATE CONSUMER ASSUMES THE BUR DEN OF THE ENTIRE COST OF ANY AND ALL NECESSAR Y SERVICE, ALTERATIONS AND OR REPAIR . THE FOREGOING STATEMENT LIM ITS THE LIABILITY OF THE MANUF ACTURER. CALIFORNIA VEHICLE CODE SECTION 27156 PROHIBITS THE ADVERTISING, OFFERING FOR SALE, OR INS TALLATION OF ANY DEVICE WHICH MODIFIES A VEHICLE S EM ISS IO N CONTROL SYSTEM. THIS PR ODUCT IS THER EFORE NOT LEGAL FOR SALE OR USE IN CALIFOR NIA ON VEHICLES EQUIPPED WITH CATALYTIC CONVERTERS. KIT # 22 - 2912 8148040 INS TALLATION INSTRUCTIONS : NOTE: DO NOT TIGHTEN ANY CLAMPS OR NUTS UNT IL THE LAST STEP!! 1) REMOVE THE OLD EX HAUST SY STEM. S AVE THE OLD S LEEVES (IF NECESSARY) FRO M TH E ORIG IN AL F RONT P IP ES.

4 REMOVE THE OLD HANGERS. 2) INSTALL THE LEF T (#16526 -- 83 DEG. BEN D) AN D RIGHT (#16528 -- 45 DEG. BEN D) MAN IF OLD PIPES USING THE NEW GASKETS A ND FLANGES , AN D THE O LD S LEEV ES IF N ECESS ARY. TIGHTEN ONLY ENOUGH T O H OLD IN P LACE. 3) INSTALL THE LEF T (#16527 -- 55 LONG S - BEND) AND RIGHT (#16529 -- 45 LO NG S - BEND) EXTENSION P IP ES TO THE MAN IF OLD PIPES US IN G 2 - 1/4 CLAMPS. NOTE: FOR VEHICLES REQ UIRING CATALYTIC C ON VERTERS TO MEET EP A G UIDELINES , CONVERTER PART # 73 - 7774 OR EQUIVALENT SHO ULD BE INSTALLED ON PIPES #16527 & #16529. S EE DRAWING . CONVERTERS ARE N OT INCLUDED IN THIS KIT. 4) INSTALL THE MUFF LERS ONTO THE FRONT EXTENSION P IP ES USING 2 - 1/4 CLAMP S. RO TATE THE FRONT EXTENSION PIPES TO CLEAR THE TRA NSFER CASE, DRIVESHAF T, AND F RAME.

5 OVER THE FRONT OR REAR OF T HE MU FFLERS Y OU WILL FIND A CROS S - MEM BER O R BODY MOUNT THAT A HOLE CAN BE DRILLED FO R A 5/ 16 BO LT TO HOLD AN LB7 H ANGER IN PLACE. ATTACH THE LB7 TO THE frame US IN G A 5/16 BOLT, GRO MMET, AND N UT, AND CLAMP TO TH E MUF FLER USING A 2 - 1/4 CLAMP. 5) IF REQ UIRED, INSTALL THE 26 LONG #15507 LEF T AND RIGHT REA R EXTENSIONS (NO T U SED FOR BLAZER) TO THE MUF FLER USING A 2 - 1/ 4 CLAMP. 6) INSTALL THE LE F T (#15508) AND RIG HT (#15509) TO THE REAR EXTENS IONS USING A 2 - 1/4 CLA MP. 7) TRIM TAIL PIPES TO YOUR DESIRED LENGT H. AS TH E TAIL PIPE GOES UND ER THE frame O N ITS WAY OUT OF THE VEHICLE, FIND A HOLE IN THE A REA OR D RILL A 5/16 HOLE IN THE frame . IN STALL AN LB7 HANG ER USING A 5/16 BOLT, NUT AND GRO MMET AN D CLAMP T HE H ANGERS TO THE TWO P IP ES USING 2 - 1/4 CLAMP S.

6 8) MAKE SU RE THAT ALL THE P ARTS O F THE SYSTEM ARE CLEAR OF F RAM E MEMBERS , ALL HOS ES , S USPEN SION, AND BRAKE AND FU EL LINES. STARTING AT THE EXH AUST MANIFOLD S, TIGHTEN ALL CONN ECTIONS AND N UTS. M AKE SURE A LL PARTS ARE CLEAR AN D WILL NOT LEAK OR RATTLE. AF TER SEVERAL D AYS OF D RIVING RETIGH TEN A LL BOLTS. Heartthrob exhaust systems are manufactured by Heartthrob Exhaust -- Litchfield, MN 320 - 693 - 0222 Email us at mi ke@ om with any questions. Build sheet for: 2 - 1/4 manifold dual kit s Part # 22 - 2912, 8148040 , 4804 _____1) hardware kit _____1) #16526 LEFT MANIFOLD PIPE _____1) #16528 RIGHT MANIFOLD PIPE _____1) #16527 LEFT FRONT EXTENSION PIPE _____1) #16529 RIGHT FRONT EXTENSION PIPE _____2) #15507 LEFT & RIGHT REAR EXTENSIONS _ ____1) #15509 RIGHT TAIL PIPE _____1) #15508 LEFT TAIL PIPE Inspected by:_____ Date:_____ Inspected by:_____ Date:_____ Build sheet for.

7 2 - 1/4 manifold dual kits Part # 22 - 2912, 8148040 , 4804 _____1) hardwar e kit _____1) #16526 LEFT MANIFOLD PIPE _____1) #16528 RIGHT MANIFOLD PIPE _____1) #16527 LEFT FRONT EXTENSION PIPE _____1) #16529 RIGHT FRONT EXTENSION PIPE _____2) #15507 LEFT & RIGHT REAR EXTENSIONS _____1) #15509 RIGHT TAIL PIPE _____1) #15508 LEFT TAIL PIPE Inspected by:_____ Date:_____ Inspected by:_____ Date:_____