Exhaust Tips - Replacement Flappers

3-1/4" O.D  Replacement Rubber Trumpet Tip Flapper
Your Price:
$9.99

3-1/4" O.D Replacement Rubber Trumpet Tip Flapper

610-1031R

3-1/4" O.D Replacement Rubber Trumpet Tip Flapper

These are the most common replacement flaps found in trumpet style exhaust tips. Each flap includes new mounting hardware. 7/8" spacing on the screw holes. Sold each.


3-5/8" O.D  Replacement Rubber Trumpet Tip Flapper
Your Price:
$9.99

3-5/8" O.D Replacement Rubber Trumpet Tip Flapper

610-1056R

3-5/8" O.D Replacement Rubber Trumpet Tip Flapper

These are the most common replacement flaps found in trumpet style exhaust tips.  Each flap includes new mounting hardware. Bolt hole center to center is 7/8". Sold each.


4" Silent Seal Replacement Flapper
Your Price:
$18.99

4" Silent Seal Replacement Flapper

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.

4" Silent Seal Easy Service Replacement Exhaust Flapper
Your Price:
$28.99

4" Silent Seal Easy Service Replacement Exhaust Flapper

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.


4" Silent Seal Easy Service Exhaust Flapper Assembly
Your Price:
$39.99

4" Silent Seal Easy Service Exhaust Flapper Assembly

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.


4" Replacement Flapper for Gil Composite Tips
Your Price:
$12.99

4" Replacement Flapper for Gil Composite Tips

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.


4" Slip-On Silent Seal Flap Assembly
Your Price:
$55.99

4" Slip-On Silent Seal Flap Assembly, Stainless Steel

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".

Angle Cut Exhaust Clamp on Flap, Stainless Steel
Your Price:
$169.99

Angle Cut Exhaust Clamp on Flap, Stainless Steel

410-280185

Angle Cut Exhaust Clamp on Flap, Stainless Steel

If you've always wanted the stylish look of a angled cut tip but couldn't due to the fact you really needed the safety of an external flapper then we have the answer you've been looking for. These high polished 316L stainless steel external flaps are designed to slides over an existing 4" straight cut tip and provide the security of a secondary or even primary exhaust flapper. 1" of exposed exhaust pipe is required for mounting. Sold in pairs.

Straight Cut Exhaust Clamp on Flap, Stainless Steel
Your Price:
$159.99

Straight Cut Exhaust Clamp on Flap, Stainless Steel

410-280190

Straight Cut Exhaust Clamp on Flap, Stainless Steel

If you one of the thousands of people frustrated that Your beautiful boat's gleaming exhaust tips are finished off with an ugly rubber Salisbury flap then we finally have your answer. These new 316L stainless steel clamp on external flaps slide on to and clamp to a 4" stainless exhaust tip. They are not only do the job their designed for but they will do it in style. 1" of exposed exhaust pipe is required for mounting. Sold in pairs.

Overall length is 2-1/8" and the clamping surface required is 1"

Replacement Flap Assembly
Your Price:
$211.99

4" Stainless Steel Inline Anti-Surge Flaps Assembly (Pair)

270-11100

4" Inline Anti-Surge Flap Assembly. For 4" Hose connections. If your tip don't have an integrated flap and you don't have the ability to mount an external flap, these inline flaps will do the trick. Sold in Pairs. Measures 2-3/8" Long x 4" in diameter.


Replacement Flap Assembly
Your Price:
$78.99

4" Stainless Steel Replacement Corsa Flap Assembly

270-10841

Replacement Flap Assembly for Corsa Tips and Diverters. For 4" Tips and diverters. Can be used in non-Corsa tips and diverters. 


3" Internal Butterfly Style Rubber Replacement Exhaust Flapper
Your Price:
$24.99

3" Internal Butterfly Style Rubber Replacement Exhaust Flapper

410-280171

3" 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. This flap tack welds in place on a stainless steel tip.
Note: Flaps are recommended in all wet exhaust systems. Sold each.


3-1/2" Internal Butterfly Style Rubber Replacement Exhaust Flapper
Your Price:
$39.99

3-1/2" Internal Butterfly Style Rubber Replacement Exhaust Flapper

410-280172

3-1/2" 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.


4" Internal Butterfly Style Rubber Replacement Exhaust Flapper
Your Price:
$39.99

4" Internal Butterfly Style Rubber Replacement Exhaust Flapper

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.


2-1/2" to 3" I.D. External Salisbury Flapper
Your Price:
$19.99

2-1/2" to 3" I.D. External Salisbury Flapper

810-EG-300

2-1/2" to 3" I.D. External Salisbury Flapper

These are excellent American-made flaps that will not curl like cheap import copies. These are a must for boats with a very close distance between exhaust ports and the water line Clamp is included. This flap has a 3" ID and must be cut down for 2-1/2" applications. Sold each.


3-1/2" to 4" I.D. External Salisbury Flapper
Your Price:
$19.99

3-1/2" to 4" I.D. External Salisbury Flapper

810-EG-400

3-1/2" to 4" I.D. External Salisbury Flapper

These are excellent American-made flaps that will not curl like cheap import copies. These are a must for boats with a very close distance between exhaust ports and the water line Clamp is included. This flap has a 4" ID and must be cut down for 3-1/2" applications. Sold each.


4-1/2" I.D. External Salisbury Flapper
Your Price:
$19.99

4-1/2" I.D. External Salisbury Flapper

810-EG-450

4-1/2" I.D. External Salisbury Flapper

These are excellent American-made flaps that will not curl like cheap import copies. These are a must for boats with a very close distance between exhaust ports and the water line Clamp is included.  Sold each.


4-1/2" I.D. External Flapper
Your Price:
$44.99

5" to 6" I.D. External Salisbury Flapper

810-EG-500

5" - 6" I.D. External Salisbury Flapper

These are excellent American-made flaps that will not curl like cheap import copies. These are a must for boats with a very close distance between exhaust ports and the water line Clamp is included.  Sold each.

NOTE: THIS FLAP HAS A 6" I.D. AND MUST BE CUT DOWN TO GO ON 5" TUBE!


4" Stainless Steel Exhaust Flappers
Your Price:
$329.99

4" Stainless Steel Exhaust Flappers

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. 


4-1/2" Stainless Steel Exhaust Flappers
Your Price:
$329.99

4-1/2" Stainless Steel Exhaust Flappers

410-280176

4-1/2" Stainless Steel Exhaust Flappers (pair)

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.  Available in 4", 4-1/2" or 5" sizes.