Gmc Jimmy Headers

PACESETTER SHORTY HEADERS, BLACK -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing, 2-1/2 Collector, And Thick CNC-Machined Steel Flanges, Designed To Replace Inefficient Stock Exhaust Manifolds, Adds Power And Performance While Increasing Engine Efficiency, Connects To Stock Y-Pipe, Easy Bolt-On Installation, 50-State Legal, California State Air Resources Board Approved, Recommended For Off Road Use Only

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER HEADERS, BLACK-PAINTED -- Shorty Headers, 1.5 in. Primary Tubing Diameter, 16-Gauge Primary Tube Wall Thickness, 2.5 in. Stock Flange Collector, These Easy-To-Clean Headers Feature Mandrel-Bent Mild Steel Primary Tubing That Is Black-Painted To Reduce Underhood Temperature And To Resist Rust And Corrosion, They Significantly Boost Performance And Increase Engine Efficiency, Bolts To Stock Y-Pipe, 50-State Legal, C.A.R.B. E.O. #D-439-6, Not Legal For Use On Catalyst-Equipped Vehicles Except For Racing Vehicles Which May Not Be Operated On A Highway, Pre-Catalyst Vehicles Must Use Original Emission Control Devices, It Is The Responsibility Of The Customer To Reinstall These Devices On The Vehicle, Comes With Bolts And Studs, Gasket, And 0.25 in. Standard Head Flange, With Pacesetter's 3-Year Warranty

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER HEADERS, ARMOR COAT -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing And 2-1/2 Surface-Ground Thick Steel Flanged Collector, Utilizes Pacesetter's Armor Coating That Provides A Polished 2000%XB0F High Temperature Metallic-Ceramic Finish, Reduces Underhood Temperatures, Resists Rust And Corrosion, Easy To Clean, Without Smog And Engine Management Hook-Ups, Comes With Collector Reducer, Requires Fabrication To Hook To Exhaust System, Includes Hardware, Gaskets, And Illustrated Installation Instructions, Header Bolts Not Included, Recommended For Off Road Use Only, With Manufacturer's 3-Year Warranty, Please Allow 10-12 Business Days To Ship Due To The Coating Process

Fits the following 1970-1982 GMC Jimmy submodels:

• 1970-1982: All Submodels; All Engines;

PACESETTER SHORTY HEADERS, BLACK -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing, 2-1/2 Collector, And Thick CNC-Machined Steel Flanges, Designed To Replace Inefficient Stock Exhaust Manifolds, Adds Power And Performance While Increasing Engine Efficiency, Connects To Stock Y-Pipe, Easy Bolt-On Installation, 50-State Legal, California State Air Resources Board Approved, Recommended For Off Road Use Only

Fits the following 1996-1999 GMC Jimmy submodels:

• 1996-1996: Base; 6 Cyl 4.3L;
• 1996-1999: SL; 6 Cyl 4.3L;

• 1996-1999: SLE; 6 Cyl 4.3L;

• 1996-1999: SLS; 6 Cyl 4.3L;

• 1996-1999: SLT; 6 Cyl 4.3L;

• 1998-1999: Envoy; 6 Cyl 4.3L;

Fits 4 more submodels. (Show all) Show less info

PACESETTER SHORTY HEADERS, ARMOR COAT -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing, 2-1/2 Collector, And Thick CNC-Machined Steel Flanges, Utilizes Pacesetter's Armor Coating That Provides A Polished 2000%XB0F High Temperature Metallic-Ceramic Finish, Reduces Underhood Temperatures, Resists Rust And Corrosion, Easy To Clean, Designed To Replace Inefficient Stock Exhaust Manifolds, Adds Power And Performance While Increasing Engine Efficiency, Connects To Stock Y-Pipe, Easy Bolt-On Installation, 50-State Legal, California State Air Resources Board Approved, Recommended For Off Road Use Only, Please Allow 10-12 Business Days To Ship Due To The Coating Process

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER HEADERS, SILVER ARMOR-COATED -- Shorty Headers, 1.5 in. Primary Tubing Diameter, 16-Gauge Primary Tube Wall Thickness, 2.5 in. Stock Flange Collector, These Easy-To-Clean Headers Feature Mandrel-Bent Mild Steel Primary Tubing That Is Armor-Coated To Provide A Polished 2000-Degree Fahrenheit High-Temperature Metallic Ceramic Finish, This Special Armor-Coating Reduces Underhood Temperature And Resists Rust And Corrosion, Unlike The Ordinary Paint, Chrome, Or Dull Finish Coating, Armor-Coating Will Not Discolor Providing A Long-Lasting Great-Look, Bolts To Stock Y-Pipe, 50-State Legal, C.A.R.B. E.O. #D-439-2, Not Legal For Use On Catalyst-Equipped Vehicles Except For Racing Vehicles Which May Not Be Operated On A Highway, Pre-Catalyst Vehicles Must Use Original Emission Control Devices, It Is The Responsibility Of The Customer To Reinstall These Devices On The Vehicle, Comes With Gasket, Reducers, And 0.375 in. Standard Head Flange, With Pacesetter's 3-Year Warranty

Fits the following 1996-1999 GMC Jimmy submodels:

• 1996-1996: Base; 6 Cyl 4.3L;
• 1996-1999: SL; 6 Cyl 4.3L;

• 1996-1999: SLE; 6 Cyl 4.3L;

• 1996-1999: SLS; 6 Cyl 4.3L;

• 1996-1999: SLT; 6 Cyl 4.3L;

• 1998-1999: Envoy; 6 Cyl 4.3L;

Fits 4 more submodels. (Show all) Show less info

PACESETTER QUIK-TRIP LONG TUBE HEADERS, ARMOR COAT -- Features 1-5/8 Mandrel-Bent Flash-Controlled 16-Gauge Carbon Steel Primary Tubing That Provides Greater Durability And Enters 3 Collector In Proper Sequence For Maximum Scavenging, With Optimized Length And Diameter For Flow And Best Performance Increase, Utilizes Pacesetter's Armor Coating That Provides A Polished 2000%XB0F High Temperature Metallic-Ceramic Finish, Reduces Underhood Temperatures, Resists Rust And Corrosion, Easy To Clean, Comes With 3/8-Thick Steel Flanges That Are Matched To Exhaust Port Profile For Optimum Seal And Flow, Made In USA, Includes Reducers To Adapt 3 Collectors To 2-1/2 Exhaust System, Requires Fabrication, Will Not Fit Angle Plug Heads, Complete With Oxygen Sensor Fitting, Necessary Gaskets, And Fasteners For Installation, Recommended For Off Road Use Only

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER QUIK-TRIP LONG TUBE HEADERS, ARMOR COAT -- Features 1-5/8 Mandrel-Bent Flash-Controlled 16-Gauge Carbon Steel Primary Tubing That Provides Greater Durability And Enters 3 Collector In Proper Sequence For Maximum Scavenging, With Optimized Length And Diameter For Flow And Best Performance Increase, Utilizes Pacesetter's Armor Coating That Provides A Polished 2000%XB0F High Temperature Metallic-Ceramic Finish, Reduces Underhood Temperatures, Resists Rust And Corrosion, Easy To Clean, Comes With 3/8-Thick Steel Flanges That Are Matched To Exhaust Port Profile For Optimum Seal And Flow, Made In USA, Includes Reducers To Adapt 3 Collectors To 2-1/2 Exhaust System, Requires Fabrication, Will Not Fit Angle Plug Heads, Complete With Oxygen Sensor Fitting, Necessary Gaskets, And Fasteners For Installation, Recommended For Off Road Use Only

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER QUIK-TRIP LONG TUBE HEADERS, BLACK -- Features 1-5/8 Mandrel-Bent Flash-Controlled 16-Gauge Carbon Steel Primary Tubing That Provides Greater Durability And Enters 3 Collector In Proper Sequence For Maximum Scavenging, With Optimized Length And Diameter For Flow And Best Performance Increase, Comes With 3/8-Thick Steel Flanges That Are Matched To Exhaust Port Profile For Optimum Seal And Flow, Made In USA, Includes Reducers To Adapt 3 Collectors To 2-1/2 Exhaust System, Requires Fabrication, Will Not Fit Angle Plug Heads, Complete With Oxygen Sensor Fitting, Necessary Gaskets, And Fasteners For Installation, Recommended For Off Road Use Only

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER QUIK-TRIP LONG TUBE HEADERS, BLACK -- Features 1-5/8 Mandrel-Bent Flash-Controlled 16-Gauge Carbon Steel Primary Tubing That Provides Greater Durability And Enters 3 Collector In Proper Sequence For Maximum Scavenging, With Optimized Length And Diameter For Flow And Best Performance Increase, Comes With 3/8-Thick Steel Flanges That Are Matched To Exhaust Port Profile For Optimum Seal And Flow, Made In USA, Includes Reducers To Adapt 3 Collectors To 2-1/2 Exhaust System, Requires Fabrication, Will Not Fit Angle Plug Heads, Complete With Oxygen Sensor Fitting, Necessary Gaskets, And Fasteners For Installation, Recommended For Off Road Use Only

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER SHORTY HEADERS, ARMOR COAT -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing, 2-1/2 Collector, And Thick CNC-Machined Steel Flanges, Utilizes Pacesetter's Armor Coating That Provides A Polished 2000%XB0F High Temperature Metallic-Ceramic Finish, Reduces Underhood Temperatures, Resists Rust And Corrosion, Easy To Clean, Designed To Replace Inefficient Stock Exhaust Manifolds, Adds Power And Performance While Increasing Engine Efficiency, Connects To Stock Y-Pipe, Easy Bolt-On Installation, 50-State Legal, California State Air Resources Board Approved, Recommended For Off Road Use Only, Please Allow 10-12 Business Days To Ship Due To The Coating Process

Fits the following 1988-1991 GMC Jimmy submodels:

• 1988-1990: Sierra Classic; 8 Cyl 5.7L;
• 1988-1991: Base; 8 Cyl 5.7L;

PACESETTER HEADERS, BLACK -- Features 1-1/2 Mandrel-Bent 16-Gauge Mild Steel Primary Tubing And 2-1/2 Surface-Ground Thick Steel Flanged Collector, Without Smog And Engine Management Hook-Ups, Comes With Collector Reducer, Requires Fabrication To Hook To Exhaust System, Includes Hardware, Gaskets, And Illustrated Installation Instructions, Header Bolts Not Included, Recommended For Off Road Use Only, With Manufacturer's 3-Year Warranty

Fits the following 1970-1982 GMC Jimmy submodels:

• 1970-1982: All Submodels; All Engines;

PAINTED HEDDER, EXHAUST HEADER -- Tube Size 1.625, Collector Size 3, Without Smog Injection Or Injection Heads, Modification To Stock Exhaust Required To Retain Catalytic Converter, Must Modify Rotary A/C Bracket, With A/C Requires Bracket P/N 20110, If Cross Shaft Is Under Drivers Side Exhaust Port Clutch Shaft Interference May Occur Use Part Number 69092 Without A.I.R. System Use Part Number 69093 with A.I.R., For Racing Only, Not For Highway Use, Not For Sale Or Use In California

Fits the following 1970-1981 GMC Jimmy submodels:

• 1970-1981: Base; 8 Cyl 5.7L;
• 1970-1981: Base; 8 Cyl 5.0L;

• 1975-1979: Base; 8 Cyl 6.6L;

• 1975-1979: High Sierra; 8 Cyl 6.6L;

• 1975-1979: Sierra Classic; 8 Cyl 6.6L;

• 1975-1979: Sierra Grande; 8 Cyl 6.6L;

• 1975-1981: High Sierra; 8 Cyl 5.7L;

• 1975-1981: Sierra Classic; 8 Cyl 5.7L;

• 1975-1981: Sierra Grande; 8 Cyl 5.7L;

• 1977-1981: High Sierra; 8 Cyl 5.0L;

• 1977-1981: Sierra Classic; 8 Cyl 5.0L;

• 1977-1981: Sierra Grande; 8 Cyl 5.0L;

• 1978-1979: Street Coupe; 8 Cyl 6.6L;

• 1978-1981: Street Coupe; 8 Cyl 5.0L;

• 1978-1981: Street Coupe; 8 Cyl 5.7L;

Fits 13 more submodels. (Show all) Show less info

HEDMAN STANDARD DUTY EXHAUST HEADERS, BLACK-PAINTED -- Not legal for sale or use in California on pollution controlled motor vehicles, not applicable or intended for street or highway use; 1.625 in. tube diameter, 18-gauge tube wall thickness, 3 in. flange collector, 0.25 in. standard head flange; Premium gasket and installation hardware included; Without smog injection or injection heads; Full-length style; Round head port; They feature 18-gauge mandrel-bent primary tubes; Protected by factory applied black paint for pre-installation protection; Made in USA; Modification to stock exhaust required to retain catalytic converter; Will fit with angle plug heads; Must modify rotary A/C bracket; Elite replacement gasket part number 27520; With Hedman's limited lifetime warranty.

Fits the following 1970-1991 GMC Jimmy submodels:

• 1970-1991: Base; 8 Cyl 5.7L;
• 1970-1987: Base; 8 Cyl 5.0L;

• 1975-1979: Base; 8 Cyl 6.6L;

• 1975-1979: High Sierra; 8 Cyl 6.6L;

• 1975-1979: Sierra Classic; 8 Cyl 6.6L;

• 1975-1979: Sierra Grande; 8 Cyl 6.6L;

• 1975-1982: Sierra Grande; 8 Cyl 5.7L;

• 1975-1985: High Sierra; 8 Cyl 5.7L;

• 1975-1990: Sierra Classic; 8 Cyl 5.7L;

• 1977-1982: Sierra Grande; 8 Cyl 5.0L;

• 1977-1985: High Sierra; 8 Cyl 5.0L;

• 1977-1987: Sierra Classic; 8 Cyl 5.0L;

• 1978-1979: Street Coupe; 8 Cyl 6.6L;

• 1978-1982: Street Coupe; 8 Cyl 5.0L;

• 1978-1982: Street Coupe; 8 Cyl 5.7L;

• 1986-1986: Silverado; 8 Cyl 5.0L;

• 1986-1986: Silverado; 8 Cyl 5.7L;

Fits 15 more submodels. (Show all) Show less info

SPECIALTY/ ENGINE SWAP, EXHAUST HEDDER -- Tube Size 1.75, Collector Size 3, Without Smog Injection Or Injection Heads, Chevy 396 - 502 cid, Painted Coating, Modification To Stock Exhaust Required To Retain Catalytic Converter, Not legal For Sale Or Use In California On Pollution Controlled Vehicles, Must Use Factory Big Block Hardware And Mounts, Must Use 1975 And Later Model Clutch Linkage Located At Rear Of Engine, Must Use Part Number 21107 Oxygen Sensor Reducers Not Supplied With Header, Will Not Fit Camper Special Or Vehicles Equipped With Front Sway Bar, Legal Only For Racing Vehicles Which May Never Be Used Upon A Highway

Fits the following 1973-1976 GMC Jimmy submodels:

• 1973-1976: Base; 8 Cyl 7.4L;
• 1976-1976: High Sierra; 8 Cyl 7.4L;

• 1976-1976: Sierra Classic; 8 Cyl 7.4L;

• 1976-1976: Sierra Grande; 8 Cyl 7.4L;

Fits 2 more submodels. (Show all) Show less info