410-284402 4" Hi-Performance Silencer For Water Injected Headers These high performance silencers feature large stainless packed louvered design cores for maximum performance through a muffler system They are ideal for blown or high compression engines. They are 10-1/2" long and slip in a 4" header collector Best suited for higher horsepower applications. Sold in pairs.
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100-252-4001 4" I.D Marine Water Certified Corrugated Exhaust Hose
This hose allows you to make only very slight bends due to its corrugated design used in extreme-duty applications. It has a reinforcing wire threaded through the wall to increase strength.
All exhaust hose is sold by the inch, i.e add quantity of 24 for 24 in. (2 ft.) of hose.
Hose comes in 12.5 feet sections. Specify if you want sections cut when ordering over 12 feet.
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410-280173 4" Internal Butterfly Style Rubber Replacement Exhaust Flapper
These original equipment style rubber flaps are designed to replace missing
or burned out flaps. They can also be easily retro-fitted to tips that
were not originally equipped with flaps. Note: Flaps are recommended
in all wet exhaust systems. Sold each.
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125-S-141 + Option(s) 4" Long Billet Aluminum 3/4" Tapered Shaft Adapter
- Powdercoated billet aluminum shaft adapter
- Fits 3/4" Round tapered shaft with keyway
- Long 4" Version moves steering wheel closer to driver
- Top Diameter 2-1/2", Bottom Diameter 3-1/2", 4" Tall
- Features a standard 3-bolt steering wheel /adapter mounting flange
- Attractive tapered design to match most steering helm bezels
- Steering wheel adapters are available in 5, 6, and 9-bolt patterns
- Fits Teleflex, Morse, Uflex (see note) and helms and more
Need help installing your new shaft adapter? Check out this handy tutorial!
See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!
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100-250-4004 4" I.D Marine Grade Hardwall Exhaust Hose
This hose allows you to make only very slight bends due to its hardwall design used in extreme-duty applications. It looks exactly like the softwall hose except it has a reinforcing wire threaded through the wall to increase strength.
All exhaust hose is sold by the inch, i.e add quantity of 24 for 24 in. (2 ft.) of hose.
Hose comes in 12.5 feet sections. Specify if you want sections cut when ordering over 12 feet.
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100-200-4004 4" I.D Marine Grade Soft Wall Exhaust Hose
This is top quality soft wall exhaust hose It's pliable construction makes it easier to work with than hard wall hose.
All exhaust hose is sold by the inch, i.e add quantity of 24 for 24 in. (2 ft.) of hose.
Hose comes in maximum of 12.5 feet sections. Please specify if you want sections cut into specific lengths when ordering over 12 feet.
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420-903437 4" Replacement Flapper for Gil Composite Tips, Oval Shape
These kits include a replacement flap and flange. 1-1/4" center to center on bolt holes, 3-7/16" wide, 4" tall.
These will fit in #420-903285, #420-903290, #420-903280, and #420-400383 exhaust tips.
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410-281404 4" Rolled Edge (Bullnose) Exhaust Tip - (Sold in pairs)
These rolled edge stainless steel tips are perfect in
many applications where safety is a concern Popular in
above swim step location because their rolled edge provides a
blunt edge These tips have flaps installed They will not
accept slip-in silencers.
Dimensions: |
Length Overall |
7" |
Flange To Inside End |
5" |
Flange To Outside End |
2" |
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410-280179 4" Silent Seal Easy Service Exhaust Flapper Assembly (Each)
At
last an answer to eliminating the annoying clanking and banging caused by old
design stainless anti-burn exhaust flaps. It seems the many complaints of
knocking engine noises and fears caused by the sounds of anti-burn flaps have
created the demand to develop and cure this problem once and for all. The all
new "Silent Seal" exhaust flap with its special high temp burn resistant rubber
compounded exhaust flap and stainless steel cage design provide the perfect
answer. This new flap design provides a superior seal and quiet operation. These
flaps can easily be retrofitted to earlier style tips with just minor brazing or
welding of the flap cage to your exhaust tip. Flap is 3.850" OD with 1" center to center bolt mounting holes.
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410-280181 4" Silent Seal Easy Service Exhaust Replacement Flapper (Each)
These kits include a replacement flap, (2) two screws and (2) two flanges (front & back) to replace old or damaged flaps in Hardin Marine 4" exhaust tips.
These will fit in #410-281400, #410-281401, #410-281402, and #410-281403 exhaust tips.
These will fit in #410-280185, #410-280190, AND #410280195 Flap Assemblies.
The mounting holes are 1" apart
These flaps are 3.850" in diameter to fit the inside of the 4" Hardin exhaust tip.
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410-280178 4" Silent Seal Replacement Flapper
This flapper is manufactured from a high temperature, burn resistant special rubber compound. This is the same flapper used in part number 410-280179 Silent Seal flapper Assembly.
3.850" OD with 1" center to center on the mounting holes. SOLD EACH.
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410-284401 4" Slip-In Silencer
These silencers are one of the best values on the
market today Their unique louvered design out flows all
other imitations with holes These silencers are constructed
from 100% stainless steel and their compact 5" length
makes them easy to install in most exhaust tips and water
injected headers Decibel drops of 8 to 10 are commonly seen.
Best suited for under 425 horsepower applications. Sold in pairs.
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410-280195 4" Slip-On Silent Seal Flap Assembly, Stainless Steel - Sold Each
At last, a combination of our best flap in what is now the easiest installation ever. Whether your tired of "Clanking" metal flaps or just can't believe you have to cut out and braze in a new butterfly style flap; there finally is a solution. Hardin Marine has designed this easy to install effective slip on version of the popular "Silent-Seal"exhaust flap. No cutting or welding, this unit is designed to merely slip over the inlet side of your existing 4" exhaust tip, and is held or clamped into place by your existing exhaust hose. It couldn't be easier. The unit can now be serviced externally, due to the silent seal flap design. There are two retaining screws that bolt the tab to the slip on cage for easy serviceability. Definitely one of the best new conceived part of the year.
OD is 4 1/8"
NOTE: The Outside Diameter of the tip these are to be installed on must be 4".
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410-12152 Aluminum S-Pipes, Stainless Steel Tips, Hose & Clamps Exhaust Kit - Tips and S-Pipes have 4" diameter
- Angle Cut Tips are Polished 316L Stainless Steel
- S-Pipes are black powder coated Aluminum
- Enables you to lower exhaust exits to clear swim steps, steering, etc...
- Simply install with included 4x 8" hose Sections and 16x clamps.
- The S-Pipes extend 13-1/2" from inlet to outlet with a 12" drop.
- SOLD AS ONE PAIR.
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410-12150 Aluminum S-Pipes, Stainless Steel Tips, Clamps & Hose Exhaust Kit - Tips and S-Pipes have 4" diameter
- Straight Cut Tips are Polished 316L Stainless Steel
- S-Pipes are black powder coated Aluminum
- Enables you to lower exhaust exits to clear swim steps, steering, etc...
- Simply install with included 4x 8" hose Sections and 16x clamps.
- The S-Pipes extend 13-1/2" from inlet to outlet with a 12" drop.
- SOLD AS ONE PAIR.
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410-280175
4" Stainless Steel Exhaust Flappers (Sold in pairs)
If you're like us and can't
stand the ugly sight of those black rubber Salisbury style flappers then
feast your eyes on this piece. Hardin Marine has handcrafted these
beautifully polished stainless steel exhaust flappers to eliminate that
eyesore. The flappers feature and O-ring seal to eliminate the
possibility of any noise from the flapper during normal operation.
This new flapper represents the ultimate finishing touch to your boats
exhaust system. Requires minimum of 1-1/2" of clamping space. Available in 4", 4-1/2" or 5" sizes. Sold in Pairs.
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137-9120 Mayfair By Hardin Marine Helms - 4" Standard Steering Post Assembly
The construction of these race inspired all stainless steel helms feature an adjustable slip collar to accommodate different dash thicknesses while providing the ultimate in finished appearance. These steering posts bolt directly to a Char-Lynn hydraulic helm. Available in a dual steering wheel bolt pattern (Momo or Dino) or a conventional 3-bolt pattern. Length is from the dash to the steering wheel mounting flange based on a 1" thick dash. Center steering wheel cover sold separately.
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410-281400
- 4" Diameter.
- Constructed of 316L Stainless Steel.
- These tips include flaps.
- These tips accept our popular slip-in silencers on the 4" models.
- These tips will also accept external Salisbury flappers.
- Sold Each.
- Use Gasket or Silicone to seal to Transom.
- Length 8-3/4", Flange to Inside end 5", Flange to Outside end 3-3/4".
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410-282400 4" Straight Cut Part-Time Transom Mounted Silencers
These silencers are 100% stainless steel and are perfect for both stock and slightly modified engines There are no moving parts and they come in a brilliant polished finish These silencers are called part-time because by simply removing one bolt per tip you can remove the slip-in silencers and have straight through exhaust. Approximately an 8 to 10 decibel reduction is achieved with these silencers installed.
These tips are 8-3/4" long overall, extending out 3-3/4 inches past the transom ring on the outside and 5" on the inside.
Sold in pairs.
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620-45757 4" Tall Aluminum Valve Cover Breather (Each)
- 4" Height
- 3-5/16" Base Length
- 1-7/8" Base Width
- 2-1/8" Bolt Hole center to center.
These breathers are designed to mount to the top of the valve cover with no bolts exposed. Each breather is highly polished.
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100-400-4001 4" I.D White Bilge / Vent Hose
This hose is used to plumb from your bilge blower to your engine compartment.
Bilge / Vent hose is sold by the foot, i.e add quantity of 6 for 6 ft. of hose.
Hose comes in maximum of 50 feet sections. Please specify if you want sections cut into specific lengths when ordering over 50 feet.
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410-283402 4" XPM525 Performance Clamp-on Mufflers
Hardin Marine has just introduced their latest performance
mufflers, the XPM525. These new silencers address the J-2005 SAE test that
is now the standard in many states including California. In a recent
independent test, these silencers showed a 12.2-decibel noise reduction at
idle speed when mounted on the Mercury 525 engine package. This brought the
test boat down to 88db passing the stringent California noise ordinance
enacted this year. When installed on a test boat equipped with the 496 engine package, the mufflers brought it down to 88db.
The XPM525’s are constructed entirely from 316L stainless steel in order to
provide the maximum corrosion resistance available in saltwater
applications. These mufflers do not have any moving parts or packing to wear
out. The significant sound reduction is accomplished with a 5-inch 2-phase
expansion chamber in conjunction with a center sound wave baffle. The unique
down-turned design helps to keep spray and carbon residue from accumulating
on the boats transom. Heavy-duty external exhaust flappers are included to
prevent any chance of water ingestion through the exhaust system.
Installation is simple. The XPM525 muffler system is designed to clamp onto
any 4” O.D. tailpipe or exhaust tip using an integral stainless band clamp
and a 1/8” set screw for added security. The mufflers are 12-1/2” in overall
length.
The meticulous hand polished finish bring these mufflers to a show quality
shine making them a beautiful addition to any boat while maintaining their
necessary functionality. Sold in pairs.
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410-282407 4" XPM525 Performance Transom Mount Mufflers
Hardin Marine has just introduced their latest performance mufflers, the XPM525. These new silencers address the J-2005 SAE test that is now the standard in many states including California. In a recent independent test, these silencers showed a 12.2-decibel noise reduction at idle speed when mounted on the Mercury 525 engine package. This brought the test boat down to 88db passing the stringent California noise ordinance enacted this year. When installed on a test boat equipped with the 496 engine package, the mufflers brought it down to 88db.
- 316L Stainless Steel
- 6" flange and three bolt pattern
- 4" hose
- 15-1/2” in overall length
- flange to inside: 5-1/2"
- flange to outside: 10"
The XPM525’s are constructed entirely from 316L stainless steel in order to provide the maximum corrosion resistance available in saltwater applications. These mufflers do not have any moving parts or packing to wear out. The significant sound reduction is accomplished with a 5-inch 2-phase expansion chamber in conjunction with a center sound wave baffle. The unique down-turned design helps to keep spray and carbon residue from accumulating on the boats transom. Heavy-duty external exhaust flappers are included to prevent any chance of water ingestion through the exhaust system.
Installation is simple. The Transom mount XPM525 muffler system is designed to mount like standard exhaust tip with it's conventional 6" flange and three bolt pattern. The hose connection if for a 4" hose.The mufflers are 15-1/2” in overall length. 10" Out from flange and 5-1/2"in.
The meticulous hand polished finish bring these mufflers to a show quality shine making them a beautiful addition to any boat while maintaining their necessary functionality. Sold in pairs.
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500-1510
- -10 AN Style Fitting
- Outer Diameter 1-1/8"
- Overall Length 4-5/16"
- Polished Finish.
- Includes nut.
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500-1512
- -12 AN Style Fitting
- Outer Diameter 1-5/16"
- Overall Length 4"
- Polished Finish.
- Stainless Steel.
- Includes nut.
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500-1516
- -16 AN Style Fitting
- Outer Diameter 1-5/16"
- Overall Length 4-5/16"
- Polished Finish.
- Stainless Steel.
- Includes nut.
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420-907060 4.0" Offshore Turbulator, Replaces Mercury OEM #816037
Turbulators are designed to keep any condensation or moisture from entering
the manifold during the cool down process. This is one of the many unique Hardin
features that are helping lead the way in exhaust system technologies. Replaces Mercury #816037. Used with Gil Style Manifolds and risers.
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