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
1970
K20
My Garage
38
View Garage
1970
Chevrolet
K20
Shop Parts
Filter Search
1984
Buick
Regal
Shop Parts
Filter Search
1964
Chevrolet
Corvair 95 FC
Shop Parts
Filter Search
1937
Cadillac
Series 67
Shop Parts
Filter Search
1951
Cadillac
Series 61
Shop Parts
Filter Search
1980
Cadillac
Seville
Shop Parts
Filter Search
1984
GMC
K15/K1500
Shop Parts
Filter Search
1942
Cadillac
Series 67
Shop Parts
Filter Search
1969
GMC
K25/K2500
Shop Parts
Filter Search
1967
Oldsmobile
Cutlass
Shop Parts
Filter Search
1976
Pontiac
Grand Prix
Shop Parts
Filter Search
1959
Cadillac
Series 62
Shop Parts
Filter Search
1979
Pontiac
Grand Prix
Shop Parts
Filter Search
1982
Pontiac
Bonneville
Shop Parts
Filter Search
1951
Cadillac
Series 60
Shop Parts
Filter Search
1973
Chevrolet
El Camino
Shop Parts
Filter Search
1973
GMC
K15/K1500
Shop Parts
Filter Search
1981
Pontiac
Bonneville
Shop Parts
Filter Search
1969
Chevrolet
C20
Shop Parts
Filter Search
1958
Pontiac
Bonneville
Shop Parts
Filter Search
1964
Chevrolet
Chevelle
Shop Parts
Filter Search
1937
Cadillac
Series 75
Shop Parts
Filter Search
1969
Chevrolet
El Camino
Shop Parts
Filter Search
1962
Buick
Skylark
Shop Parts
Filter Search
1961
Cadillac
Series 62
Shop Parts
Filter Search
1965
Chevrolet
C30
Shop Parts
Filter Search
1974
Cadillac
DeVille
Shop Parts
Filter Search
1969
Pontiac
GTO
Shop Parts
Filter Search
1968
GMC
C35/C3500
Shop Parts
Filter Search
1961
Chevrolet
C20
Shop Parts
Filter Search
1976
GMC
K15/K1500
Shop Parts
Filter Search
1970
Chevrolet
Blazer
Shop Parts
Filter Search
1959
Pontiac
Catalina
Shop Parts
Filter Search
1976
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1986
Chevrolet
C30
Shop Parts
Filter Search
1946
Cadillac
Series 61
Shop Parts
Filter Search
1974
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1963
Cadillac
60 Special
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
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
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
K20
1970
Exhaust
Mufflers & Resonators
1970 Chevrolet K20
Mufflers & Resonators
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Performance
72
Part Type
Exhaust Muffler
71
Exhaust Muffler Set
1
Category
Mufflers & Resonators
72
Price
$1 - $100
17
$101 - $200
33
$201 - $300
18
$301 - $400
2
$401 - up
2
Brand
Black Widow Exhaust
4
Flowmaster
1
Magnaflow
64
Pypes
3
Review Rating
ooooo
ooooo
2
Not Yet Reviewed
70
Magnaflow
Muffler, 4" x 9" x 14" XL Oval Multi-Chamber, MF, Satin 409 Stainless Steel
11 Inlet/Outlet/Size Options
ooooo
ooooo
From
$151.99
Magnaflow
Muffler, 7" Round Reversible, Magnaflow, Satin 409SS, Center/Dual
3 Length/Size Options
ooooo
ooooo
From
$231.99
Magnaflow
Muffler, 5" x 8" x 18" Oval Reversible, MF, Satin 409SS, Offset/Dual
3 Size Options
ooooo
ooooo
From
$178.99
Magnaflow
Muffler, 4" Round Redpack Glasspack, Magnaflow, 2.5" Inlet/Outlet, 26" Body
ooooo
ooooo
$68.99
Magnaflow
Muffler, 3" Round Redpack Glasspack, Magnaflow, 1.75" Inlet/Outlet, 12" Body
ooooo
ooooo
$51.99
Magnaflow
Muffler, 5" Round Reversible, MF, Satin 409SS, Center/Center, 14" Body
2 Size Options
ooooo
ooooo
From
$152.99
Magnaflow
Muffler w/Tip, Street 7" x 24" Round, 2.25" Inlet/4" Rolled Angle Cut Tip, MF
ooooo
ooooo
$272.99
Magnaflow
Muffler, 4" Round Reversible, 2" Core, MF, Satin 409SS, Center/Center, 14" Lngth
1 Size Options
ooooo
ooooo
$112.99
Magnaflow
Muffler, 6" Round Reversible, MF, Satin 409SS, Offset In/Out, 14" Body
1 Size Options
ooooo
ooooo
$131.99
Magnaflow
Muffler, 4" x 9" Oval Reversible, Magnaflow, Satin 409SS, Dual/Dual
4 Length/Size Options
ooooo
ooooo
$171.99
Magnaflow
Muffler w/Tip, Street 6" x 21" Round, 2.25" Inlet/4" Rolled Straight Cut Tip, MF
ooooo
ooooo
$223.99
Magnaflow
Muffler w/Tip, Street 5" x 20.6" Round, 2.25" Inlet/4" Straight Cut Tip, MF
ooooo
ooooo
$227.99
Magnaflow
Muffler w/Tip, Street 7" x 24" Round, 2.25" Inlet/4" Tanabe Angle Cut Tip, MF
ooooo
ooooo
$272.99
Magnaflow
Muffler, 4" x 9" x 14" Oval Reversible, Magnaflow, Brushed 430 Stainless
1 Inlet/Outlet/Size Options
ooooo
ooooo
$164.99
Magnaflow
Muffler, 5" x 8" x 14" Oval, Brushed 430SS, 2.5" Inlet/Outlet Same End
ooooo
ooooo
$215.99
Magnaflow
Muffler w/Tip, Street 6" x 20.5" Round, 2.25" Inlet/4" Angle Cut Tip, Magnaflow
ooooo
ooooo
$208.99
Magnaflow
Muffler, 5"x 8" x 14" Oval Reversible, Brshd SS, 3" Center In/2.5" Dual Out, 14"
ooooo
ooooo
$208.99
Magnaflow
Muffler, 4" Round Reversible, MF Race, Brushed 430SS, Center/Center, 6"
ooooo
ooooo
$209.99
Magnaflow
Muffler w/Tip, Comp 5" x 8" x 14" Oval, 3" In/4" Angle Cut Tip, Center/Centr, MF
ooooo
ooooo
$229.99
Magnaflow
Muffler w/Tip, Street 5" x 8" x 14" Oval, 2.25" In/Dual 3.5" Rolled Strght Cut
ooooo
ooooo
$358.99
Magnaflow
Muffler w/Tip, Street 5" x 8" x 14" Oval, 2.25" In/4" Angle Cut Tip, Cntr/Cntr
ooooo
ooooo
$239.99
Magnaflow
Muffler w/Tip, Street 6" x 20.5" Round, 2.25" Inlet/4" Straight Cut Tip, MF
ooooo
ooooo
$212.99
Magnaflow
Muffler w/Tip, Street 6" x 18.25" Round, 2.25" Inlet/4" Straight Cut Tip, MF
ooooo
ooooo
$215.99
Magnaflow
Muffler w/Tip, Street 5" x 8" x 14" Oval, 2.25" In/4" Rolled Angl Cut, Cntr/Cntr
ooooo
ooooo
$269.99
Page 3 of 3 - 72 Items
«
1
2
3
Page 3 of 3 - 72 Items
«
1
2
3
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