IMCO Marine

4" Flange Mount Dual Stage Muffler (Mega Muffler)6" X 10" long Dual stage muffler. Mounting same as 6" flange, 3 bolt pattern with bolts welded on to accept nuts on the inside of the transom. 4" hose hook up. True performance stainless steel through transom mufflers that silences motors up to 500 horsepower without sacrificing power. It works so well that we have a patent on the design. Our internal silencing chambers, plus integral flapper help to eliminate engine backwash, while reducing the decibel levels through out the entire RPM range. Easy bolt on replacement for stock thru transom exhaust tips, or use the 4" clamp on version with your existing tips. 02-2464 replacement flaps are also available.(SOLD IN PAIRS)

4" Flush Mount 12 Deg. Flange
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter polished stainless steel flush mount tip with a 12 degree flange. without internal flap. (SOLD IN PAIRS)

Can also be used for side of hull

4" Flush Mount 12 Deg. Flange with Internal Flaps
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter polished stainless steel flush mount tip with a 12-degree flange. WITH internal flap installed. (SOLD IN PAIRS)

Can also be used for side of hull

4" Flush Mount 90 Deg. Flange
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter polished stainless steel flush mount tip with a 90-degree flange. without internal flap. (SOLD IN PAIRS)

Can also be used for side of hull

4" Flush Mount 90 Deg. Flange with Internal Flaps
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter polished stainless steel flush mount tip with a 90-degree flange. WITH internal flap installed. (SOLD IN PAIRS)

Can also be used for side of hull

4" Gatlin Slip in Mufflers (SOLD EACH) These mufflers can be used with any exhaust system that has 4" OD Stainless Pipe with 8" or 12" of open area to except the muffler. Water must go through the muffler.

4" Packed Insert Mufflers,4" Packed insert mufflers, combine the same design as our hi-performance muffler tips, but are designed to fit inside exhaust tips. They measure 8 1/2" or 15" in length, and bolts to most 4" exhaust tips.(SOLD EACH)

4" Preformed Rubber Hose (Sold Each). 6” Long. Grooves fit standard band clamps.

4" Side Port Exhaust Tips

To view and download the PDF Exhaust tip drawing CLICK HERE

4"Diameter 304 stainless steel. These angled tips comes right hand and left hand for side of hull connections. NO internal flap.

4" Side Port Exhaust Tips With Internal Flaps

To view and download the PDF Exhaust tip drawing CLICK HERE

4" Diameter. These 304 stainless steel angled tips comes right hand and left hand for side of hull connections. With internal flap installed.

IMCO offers a wide variety of polished, stainless steel exhaust tips. Mounting hardware not included. Custom tips are also available.

4" Side Port Exhaust Tips With Internal Flaps

To view and download the PDF Exhaust tip drawing CLICK HERE

4" Diameter 304 stainless steel angled flange tips. With internal flap installed. (SOLD IN PAIRS)

4" Straight Cut Exhaust Tips
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter 304 stainless steel Exhaust tips measure 7" long with 2" external, and 5" internal. NO flap installed. (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter 304 stainless steel Exhaust tip measure 8" long, with 4" external, and 4" internal. NO flap installed. (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips

4" Diameter 304 stainless steel Exhaust tips measure 8" long with 4" external, and 4" internal. Internal and external flaps (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available

4" Straight Cut Exhaust Tips
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter 304 stainless steel Exhaust tips measure 9" long with 4" external, and 5" internal. NO flap installed. (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips

4" Diameter 304 stainless steel Exhaust tips measure 9" long with 4" external, and 5" internal. Internal and external flaps (SOLD IN PAIRS).

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips

4" Diameter 304 stainless steel Exhaust tips measure 15 1/2" long with 10 1/2" external, and 5" internal. Internal and external flaps (SOLD IN PAIRS)

Designed to except 02-6479 mufflers.

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips with Internal & External Flaps

4" Diameter 304 stainless steel Exhaust tips measure 7" long with 2" external and 5" internal. Internal and External Flaps (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips with Internal Flaps
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter 304 stainless steel Exhaust tips measure 7" long with 2" external, and 5" internal. Internal Flap installed. (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.

4" Straight Cut Exhaust Tips with Internal Flaps
To view and download the PDF Tip Drawing CLICK HERE

4" Diameter 304 stainless steel Exhaust tip, measure 8" long, with 4" external, and 4" internal. Internal flap installed. (SOLD IN PAIRS)

IMCO offers a wide variety of polished, stainless steel exhaust tips. All 90- degree tips are available with internal, and external flaps to prevent engine backwash. Mounting hardware not included. Custom tips are also available.