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Pontiac Grand LeMans Exhaust System

We have 15 Items In-stock. Select a year to continue.
$90.57 List Price $106.87 Save $16.30 Availability: In Stock
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EXHAUST MANIFOLD -- Cast iron construction; A high quality, direct fit OE replacement exhaust manifold; Made with durable, heat controlling materials for long-lasting life; Backed by 1-year, unlimited-mileage warranty.
  • SKU#: G960709
  • Brand: Replacement
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: 1-2 Business Days
  • Aspiration Type: Naturally aspirated
  • Number of Cylinders: 8
  • Warranty: 1-year, unlimited-mileage warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1977 | 8 Cyl 5.0L | Base
Rating: (see review/s)

"Good fitting manifold, very affordable price, of course easy installation I would buy again, and I all ready told my friends and family about these products!" posted by: The Utlamit Racer and The Plow KIng!!! on March 5, 2010

$26.84 List Price $47.98 Save $21.14 Availability: In Stock
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WALKER SOUNDFX MUFFLER

Walker's SoundFX muffler features a sophisticated pipe routing and tuning technology that provides better flow and favorable OE-style sound. Its all-aluminized construction provides longer service life and quality appearance.

Specifications
  • 18 in. L x 8.81 in. W x 4.25 in. H, 25 in. overall length
  • 2 in. inlet diameter
  • Single offset inlet
  • 2 in. outlet diameter
  • Single center outlet
  • Oval body
  • Aluminized steel muffler material
Features
  • OE-style sound
  • SKU#: WK17886
  • Brand: Walker
  • Fit Note: Except High Performance, Z Plus, Single Outlet, Z Plus
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Anticipated Ship Out Time: Same day - 1 business day
  • Attachment Style: Weld-On
(see more)
Fits the following Pontiac Grand LeMans Years:
  • 1981 | 6 Cyl 3.8L | LE
  • 1980-1981 | 8 Cyl 4.3L | Base, Safari
(see more)
Rating: (see review/s)

"The part itself was at a great price. It matched right up to the pipe I previously bought. Nice and easy. I guess it had to come from Cally. So it took a while to get here. The other part was here in less that 2 days." posted by: bassman on June 2, 2014

$81.32 List Price $106.31 Save $24.99 Availability: In Stock
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FLOWMASTER – 40 SERIES ORIGINAL MUFFLERS

Flowmaster’s 40 Series Original mufflers turn give your ride that rich muscle car rumble and turn it into a performance powerhouse with an aggressive, deep tone that will make you smile as you put the pedal to the metal. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Great for muscle cars or vehicles that need a single exhaust
  • Backed by a lifetime warranty for stainless/3 years for aluminized steel
  • Fully MIG-welded for maximum strength
  • Comes in 16-gauge aluminized steel or stainless steel
  • Quick and easy installation
  • Very aggressive tone
  • Improves torque and horsepower
  • Come in single or dual pipe style
  • Dyno-tested
  • SKU#: F1342441
  • Brand: Flowmaster
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Aggressive
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following Pontiac Grand LeMans Years:
  • 1977 | 8 Cyl 5.7L | Safari
  • 1976-1977 | 8 Cyl 5.7L | LE
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$108.54 List Price $128.08 Save $19.54 Availability: In Stock
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DORMAN – OE REPLACEMENT EXHAUST MANIFOLD

Swap out your warped exhaust manifold with this OE replacement exhaust manifold from Dorman. Its heavy-duty design is resistant to leaks and corrosion, and its secure fit ensures all gases are safely routed through your exhaust system. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Anti-leak protection
  • Manufactured with cast iron or stainless tubular steel
  • Comes with gaskets and hardware needed for assembly (check application)
  • SKU#: RB674202
  • Brand: Dorman
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Aspiration Type: Naturally aspirated
  • Includes: Three studs, three nuts, and six washers
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Fits the following Pontiac Grand LeMans Years:
  • 1977 | 8 Cyl 5.0L | Base
$257.55 List Price $570.00 Save $312.45 Availability: In Stock
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HEDMAN – PAINTED HEDDERS

Is that power-robbing stock manifold still on your vehicle? If you answered yes, then replace it with a Hedman Painted Header to lower your operating temps and release extra horsepower and torque from your engine. These hedders are designed for painting, so order a can of header paint in the color that best suits your vehicle. Hedman Hedders have always been made in the USA since the company was founded over 50 years ago. Bob Hedman started out making hedders as a one man shop but word spread fast about the horsepower and torque that Hedman hedders were producing. His hedders have been in demand by top engine builders and racers since the start. Hedman’s time perfecting hedders on the track and on the dyno ensures you will get optimum performance with every Hedman Header whether it is installed on your race car or daily driver.

  • Perfect for hot rod builds on a tight budget
  • Proudly manufactured in U.S.A.
  • Tubing size is 16 to 18 gauge depending on model
  • Size of flanges are 5/16 inch
  • These hedders are designed to be painted, so pick up a can of header paint in a color of your choice

NOTE: Not legal for use or sale in California on vehicles that came equipped with emission controls from the factory.

  • SKU#: H5628140
  • Brand: Hedman
  • Fit Note: RWD, Automatic Transmission
  • Color/Finish: Black
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: 1-2 Business Days
(see more)
Fits the following Pontiac Grand LeMans Years:
  • 1975-1977 | 8 Cyl 6.6L | Base, Safari
  • 1975-1976 | 8 Cyl 7.5L | Base
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$144.95 List Price $171.04 Save $26.09 Availability: In Stock
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FLOWTECH STANDARD FULL LENGTH HEADER, BLACK HI-TEMPERATURE PAINT -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 Tube Size, 3 Collector Size, Made With Light Weight And Sturdy 16 Gauge Tubing, Precision Engineered To Get The Maximum Performance And Fuel Economy Of Your Engine, Tuned-Length Primary Tubes For Street Performance, Mandrel-Bent Tubing For Smooth Exhaust Flow, Mandrel-Formed Power Plenum Collector For Low Back Pressure, Sturdy, Leak-Tested O-Ring Port Seals, Designed For Easy, Trouble-Free Installation, Includes All Mounting Hardware And Premium Gaskets, With Manufacturer's 90-Day Warranty
  • SKU#: F3111104
  • Brand: Flowtech
  • Fit Note: RWD, With A.I.R. Tubes, With Oxy. Sensor, Use Reducer PN[10105FLT] For 2.5 in Flange, Required A/C Bracket PN[10042FLT], With Oxy. Sensor, Use REducer PN[10110FLT]
  • Emissions: 49-State Legal - no CA shipments
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Number of Cylinders: 8
 
Fits the following Pontiac Grand LeMans Years:
  • 1978-1980 | 8 Cyl 5.0L | Base, Safari
  • 1978-1979 | 8 Cyl 5.7L | Safari
$13.41 List Price $15.82 Save $2.41 Availability: In Stock
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FELPRO EXHAUST MANIFOLD GASKET SET, COMPRESSED FIBER LAMINATE -- A high quality, OE replacement exhaust manifold gasket set.
  • SKU#: FPMS9275B
  • Brand: Felpro
  • Fit Note: Car
  • Anticipated Ship Out Time: Same day - 1 business day
  • Port Type: Stock
  • Warranty: 1-year Felpro limited warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1983 | 8 Cyl 5.0L | BR
  • 1979-1983 | 8 Cyl 5.0L | Base
(see more)
Rating: (see review/s)

"fel pro gaskets have always been my faverite s to use . i m a retired mechanic of 25 years and have always had good results with fel pro . wouldn t use anything less now for my personnel vehicles apw has great pricing too" posted by: habbitt on June 26, 2014

$16.40 List Price $19.35 Save $2.95 Availability: In Stock
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MR GASKET PERFORMANCE EXHAUST MANIFOLD GASKET SET -- 1.45 x 1.55 in. port dimensions; Large race square port; Fabricated from large-fiber gasket material bonded by a high-heat resistant compound; Provides excellent sealing and durability; Precision die cut for each application.
  • SKU#: G12150A
  • Brand: Mr Gasket
  • Warranty: 90-day Mr Gasket limited warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1980 | 8 Cyl 5.0L | Base, Safari
$11.96 List Price $14.11 Save $2.15 Availability: In Stock
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DNJ EXHAUST MANIFOLD GASKETS, SET OF 6 -- A high quality, OE replacement exhaust manifold gasket set.
  • SKU#: DNJEG3101
  • Brand: DNJ
  • Warranty: 12-month or 12,000-mile DNJ limited warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1979-1980 | 8 Cyl 5.0L | Base, Safari
  • 1978 | 8 Cyl 5.0L | SA, Safari
(see more)
$12.59 List Price $14.86 Save $2.27 Availability: In Stock
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TRANSDAPT – HEADER BOLTS

Got some new headers? By all means, don’t re-use your corroded old header bolts when you can get some new Transdapt Header Bolts, all for a really low cost. Transdapt started in 1959 when founder Willie Garner created transmission adapters to be able to bring together engines and transmissions that were not made to work with each other in order to build the best performing custom cars. Through the years, Transdapt expanded and added carburetor adapters, engine swap kits and then a full line of chrome dress-up parts to add more style to your daily driver or your show car.

  • Available in standard 7/16 size or a smaller 3/8 size for use in tighter spaces
  • Grade 5 hardware rating
  • Perfect replacements for rusty and damaged old header bolts
  • SKU#: T378885
  • Brand: Transdapt
  • Notes: Extra Small Head; Grade 5; 3/8-16 x 0.75; 3/8 in. Head
  • Warranty: 1-year TransDapt limited warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1978-1980 | 8 Cyl 5.0L | Safari
  • 1977-1980 | 8 Cyl 5.0L | Base
(see more)
$20.24 List Price $23.88 Save $3.64 Availability: In Stock
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SPECTRE EXHAUST GASKET -- Direct Fit Replacement Part, Made Of Extra Thick 1/8" Compressed Ceramic Fiber That Far Exceeds Typical Non-Asbestos Type Gaskets, Will Not Deteriorate Or Crack From Excessive Heat Or Pressure, Provides Superior Sealing, Even On Uneven Or Warped Header Flanges, 1.5" Stock Round Port Included, With Manufacturer's Limited Warranty
  • SKU#: S71412
  • Brand: Spectre
  • Notes: Small Block Chevrolet 265-400; Stock, 1.50" diameter round ports, Extra thick 1/8" Compressed ceramic fiber (CCF)
  • Warranty: Spectre Limited Lifetime warranty
 
Fits the following Pontiac Grand LeMans Years:
  • 1978-1980 | 8 Cyl 5.0L | Safari
  • 1977-1980 | 8 Cyl 5.0L | Base
(see more)
$36.39 List Price $42.94 Save $6.55 Availability: In Stock
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PROFORM SOFT CONFORMING ALUMINUM HEADER GASKET KIT, SQUARE PORT -- Excellent Gasket Construction Easily Conform To Collector Flanges For A Superior Seal, Comes With 2 Gaskets, With Manufacturer's Limited 30-Day Warranty
  • SKU#: P7567921
  • Brand: Proform
 
Fits the following Pontiac Grand LeMans Years:
  • 1978-1980 | 8 Cyl 5.0L | Safari
  • 1977-1980 | 8 Cyl 5.0L | Base
(see more)
$637.51 List Price $752.26 Save $114.75 Availability: In Stock
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Performer, Nitrous System, Dyno Tested, Accurate Horsepower Gains, Fast, Bolt On Power, Includes All Parts, Hardware And Detailed Instructions For Complete Kit Installation, 50-100 HP, Not For Sale Or Use On Emissions Equipped Vehicles
  • SKU#: E1170001
  • Brand: Edelbrock
 
Fits the following Pontiac Grand LeMans Years:
  • 1981 | 6 Cyl 3.8L | LE
  • 1980-1981 | 8 Cyl 4.3L | Safari
(see more)
$32.23 List Price $38.03 Save $5.80 Availability: In Stock
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ELGIN EXHAUST VALVES, SET OF 2 -- A high quality, OE replacement exhaust valve set.
  • SKU#: ELGE1923B
  • Brand: Elgin
 
Fits the following Pontiac Grand LeMans Years:
  • 1983 | 8 Cyl 5.0L | BR
  • 1977-1983 | 8 Cyl 5.0L | Base
(see more)
$12.76 List Price $15.06 Save $2.30 Availability: In Stock
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HOOKER SUPER COMPETITION HEADER GASKET -- 0.070 Thick, Features Precision Fit For Improved Sealing, Substrate Construction Provides Superior Adhesion, Design Contributes To Exact Fit Between Cylinder Head And Header To Improve Exhaust Flow
  • SKU#: H2610808
  • Brand: Hooker
 
Fits the following Pontiac Grand LeMans Years:
  • 1978-1980 | 8 Cyl 5.0L | Safari
  • 1977-1980 | 8 Cyl 5.0L | Base
(see more)
Rating: (see review/s)

"The way the product been handled and delivered to me is great and really the response time surprised me. I do recommend it for any one within my country." posted by: el_3krou6 on July 5, 2008

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