1‑800‑243‑8355
Help
Contact Us
Free Shipping
Shipping Information
Manufacturer Rebates
How To Order
Payment Options
Return Policy
FAQs
Emissions Regulations
Gift Card Balance
Sponsorship Opportunities
Company
Request Catalog
OPGI Blog
Hours & Location
History
Frequent Buyer Points
Volume Discounts
Price Match Guarantee
Kit Swap Savings
Reviews
Careers
Clearance Sale
Archives
My Account
My Orders
My Wish List
As seen on
1966
LeMans
My Garage
38
View Garage
1966
Pontiac
LeMans
Shop Parts
Filter Search
1972
Buick
Riviera
Shop Parts
Filter Search
1986
Oldsmobile
Cutlass
Shop Parts
Filter Search
1984
Buick
T-Type
Shop Parts
Filter Search
1965
Pontiac
LeMans
Shop Parts
Filter Search
1963
Buick
Skylark
Shop Parts
Filter Search
2000
Chevrolet
Malibu
Shop Parts
Filter Search
1994
Cadillac
Fleetwood
Shop Parts
Filter Search
1941
Cadillac
Series 60
Shop Parts
Filter Search
1970
Cadillac
DeVille
Shop Parts
Filter Search
1964
Pontiac
GTO
Shop Parts
Filter Search
1987
Oldsmobile
Cutlass
Shop Parts
Filter Search
1973
Chevrolet
El Camino
Shop Parts
Filter Search
2007
Cadillac
STS
Shop Parts
Filter Search
1963
Cadillac
Series 62
Shop Parts
Filter Search
1972
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1968
Cadillac
Series 62
Shop Parts
Filter Search
1975
Chevrolet
El Camino
Shop Parts
Filter Search
1983
Buick
Regal
Shop Parts
Filter Search
1968
Pontiac
LeMans
Shop Parts
Filter Search
2018
Cadillac
Escalade
Shop Parts
Filter Search
1965
Oldsmobile
Cutlass
Shop Parts
Filter Search
1973
Chevrolet
Chevelle
Shop Parts
Filter Search
1955
Cadillac
Eldorado
Shop Parts
Filter Search
1989
Cadillac
DeVille
Shop Parts
Filter Search
1961
Oldsmobile
Cutlass
Shop Parts
Filter Search
1984
Cadillac
DeVille
Shop Parts
Filter Search
1970
Pontiac
Tempest
Shop Parts
Filter Search
1974
Cadillac
60 Special
Shop Parts
Filter Search
1963
Pontiac
LeMans
Shop Parts
Filter Search
1982
Chevrolet
C10
Shop Parts
Filter Search
1973
Pontiac
GTO
Shop Parts
Filter Search
1965
Chevrolet
Corvair
Shop Parts
Filter Search
1977
Pontiac
LeMans
Shop Parts
Filter Search
1985
Buick
Regal
Shop Parts
Filter Search
1982
GMC
C25/C2500
Shop Parts
Filter Search
1974
Chevrolet
Chevelle
Shop Parts
Filter Search
1969
Cadillac
Calais
Shop Parts
Filter Search
Shop All Parts
+ Add Vehicle
Catalogs
Cart
Have a Question?
Ask our Experts
Mon‑Fri 8:00‑4:30 PT
Experts Offline
Interior
Door Handles & Hardware
Door & Window Handles, Door Hinges
Emblems
Reproduction, Aftermarket, Kits, Hardware
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Interior Accessories
Armrests, Carpet, Flooring, Consoles, Dash, Door, Glove Box
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Mirrors & Hardware
Mirrors, Mounting Hardware
Exterior
Decals
Decals, Body Stripes, Misc
Emblems
Reproduction, Aftermarket, Kits, Hardware
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Lamps & Lenses
Headlights, Lamps, Lenses, Bulbs, Hardware
Mirrors & Hardware
Mirrors, Mounting Hardware
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Bumpers & Hardware
Bumpers, Hardware, Inserts, Brackets
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
Mirrors & Hardware
Mirrors, Mounting Hardware
Moldings
Front End, Rear, Side, Window, Hardware
Sheet Metal & Body Panels
Doors, Hoods, Fenders, Quarter, Trunk, Floor, Armrest
Trunk Panels & Accessories
Mats, Dividers, Hardware, Accessories
Vinyl Tops
Tops, Modlings, Clips
Window
Glass, Motors, Regulators, Hardware
Suspension & Brakes
Brake Systems
Disc, Drum, Master Cylinders, Boosters, Pumps, Valves
Chassis & Suspension
Bushings, Mounts, Chassis, Steering, Suspension
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Engine & Drivetrain
Air & Fuel Delivery
Air Cleaners, Filters, Carburetors, Pumps, Tanks, Manifolds
Cooling & Heating
Air Conditioning, Controls, Fans, Motors, Cores, Radiators, Thermostats, Heaters, Pumps, Ducts
Decals
Decals, Body Stripes, Misc
Drivetrain
Differentials, Driveshafts, Chaines, Shifters, Transmissions, Bearings, Seals
Emblems
Reproduction, Aftermarket, Kits, Hardware
Engines & Components
Belts, Pulleys, Camshafts, Heads, Oiling Systems, Engines
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Fittings & Hoses
Fittings, Clamps, Brackets, Hoses, Lines, Plugs, Tubing, Valves
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Oils, Fluids & Sealer
Oils, Fluids, Grease, Lubricants, Grease, Cleaners, Sealers, Glues
Windshield Washer
Bottles, Pumps, Arms, Motors, Switches, Hardware
Audio & Electric
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Mobile Electronics
Antennas, Radios, Speakers, GPS, iPod, Bluetooth
Tools & More
Books
Owners Manuals, Service Manuals, History
Car Care & Paint
Covers, Cleaners, Waxes, Polishes, Paints, Coatings, Dyes, Markers
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gifts & Apparel
Shirts, Jackets, Hats, Plates, Garage Decor
Tools & Shop Equipment
Brake, Electrical, Engine, Fuel, Hand, Suspension, Wheel, Tire
×
We use cookies to ensure that we give you the best experience on our website. Click
here
for more information.
Got It
250th Anniversary Sale
Save up to 20% on Restoration - use code: USA250
Home
LeMans
1966
Exhaust
1966 Pontiac LeMans
Exhaust
Categories
Clamps, Hangers & Brackets
Exhaust Pipes, Flanges & Turndowns
Exhaust Systems & Kits
Exhaust Tips
Header Accessories
Headers
Manifolds
Mufflers & Resonators
1966 Pontiac LeMans
Exhaust
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
37
Performance
160
Restoration
11
Part Type
Bolt Kit
2
Bolt Retainer
1
Engine Compartment Insulation
1
Exhaust Clamp
5
Exhaust Cutout
1
Exhaust Filler Plate
2
Exhaust Flange
1
Exhaust Header
9
Exhaust Header Collector
1
Exhaust Header Collector Gasket
1
Exhaust Header Pipe
1
Exhaust Header Reducer
2
Exhaust Manifold
2
Exhaust Manifold Bolt
1
Exhaust Manifold Down Pipe
4
Exhaust Muffler
101
Exhaust Muffler Bracket
1
Exhaust Muffler Clamp
4
Exhaust Muffler Set
1
Exhaust Outlet Plug
3
Exhaust Pipe
5
Exhaust System Kit
32
Exhaust System Wrap
1
Exhaust Tail Pipe
17
Exhaust Tail Pipe Bracket
2
Exhaust Tail Pipe Tip
2
Heat Shield Insulator
5
Thermal Acoustic Insulation
1
Uncategorized
1
Category
Clamps, Hangers & Brackets
12
Exhaust Pipes, Flanges & Turndowns
16
Exhaust Systems & Kits
35
Exhaust Tips
18
Header Accessories
18
Headers
9
Manifolds
5
Mufflers & Resonators
102
Price
$1 - $100
60
$101 - $200
72
$201 - $300
28
$301 - $400
10
$401 - up
38
New Arrival
New
6
Brand
ARP
2
Black Widow Exhaust
13
Corsa Exhaust
9
Doug's Headers
5
Flowmaster
26
Hedman Hedders
4
Hooker
4
Magnaflow
65
Mr. Gasket
1
Patriot Exhaust
11
Performance by OPGI
2
Pypes
45
RESTOPARTS
1
Thermo-Tec
7
Review Rating
ooooo
ooooo
15
ooooo
ooooo
12
ooooo
ooooo
1
ooooo
ooooo
2
Not Yet Reviewed
178
ARP
Bolt Set, Header, ARP, LS Engine, 3/8" Wide Header Flange (SET)
4 Finish Options
ooooo
ooooo
From
$36.99
Clamp, Exhaust, 1-7/8"
2 Finish Options
ooooo
ooooo
From
$2.99
ARP
Bolt Set, Header, ARP, LS Engine, 1/4" Wide Header Flange (SET)
4 Finish Options
ooooo
ooooo
From
$36.99
SALE
Clamp, Muffler, Original Style, 2-1/4", Each
ooooo
ooooo
$4.21
Save an extra 16%
Use
USA250
at checkout
SALE
Muffler Clamp, Original Style, 2-1/2"
ooooo
ooooo
$3.21
Save an extra 14%
Use
USA250
at checkout
SALE
Performance by OPGI
Clamp, Exhaust, 2-1/2", Stainless Steel
ooooo
ooooo
$10.99
Save an extra 9%
Use
USA250
at checkout
Patriot Exhaust
Clamp, Lake Pipe, 2", Chrome
ooooo
ooooo
$13.99
SALE
RESTOPARTS
Clamp, Exhaust, 2", Stainless Steel
ooooo
ooooo
$8.99
Save an extra 6%
Use
USA250
at checkout
Clamp, Exhaust, 1-3/4"
2 Finish Options
ooooo
ooooo
From
$2.99
Corsa Exhaust
Exhaust Tip, Single 3.0" Pro-Series Universal 2.5" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$175.99
Corsa Exhaust
Exhaust Tip, Single 3.5" Pro-Series Universal Tip 2.5" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$175.99
Corsa Exhaust
Exhaust Tip, Single 4.5" Pro-Series Universal Tip 2.5" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$201.99
Corsa Exhaust
Exhaust Tip, Single 4.0" Pro-Series Universal Tip 3.0" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$189.99
Corsa Exhaust
Exhaust Tip, Single 4.5" Pro-Series Universal Tip 3.0" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$201.99
Corsa Exhaust
Exhaust Tip, Single 4.5" Pro-Series Universal Tip 2.75" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$201.99
Corsa Exhaust
Exhaust Tip, Single 4.0" Pro-Series Universal Tip 2.5" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$189.99
Corsa Exhaust
Exhaust Tip, Single 3.5" Pro-Series Universal Tip 2.75" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$175.99
Corsa Exhaust
Exhaust Tip, Single 4.0" Pro-Series Universal Tip 2.75" Inlet, Clamp Included
2 Option Options
ooooo
ooooo
From
$189.99
Page 9 of 9 - 210 Items
«
5
6
7
8
9
Page 9 of 9 - 210 Items
«
5
6
7
8
9
Free Ground Shipping
Free Ground Shipping on orders over $299 in the contiguous United States.
Shop Clearance
Save up to 55% on huge clearance deals on hundreds of items.
Earn Points for Free Parts
Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program.
Price Match Guarantee
We’ll price match any currently advertised retail price offered by a retail competitor.
Select Your Vehicle
Find parts that fit your vehicle
GM Cars
GM Trucks
Make
Model
Year
Go