Silencers and Mufflers for Exhaust - Slip-In Silencers and Mufflers

4" Slip-In Muffler / Silencer

These mufflers 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.

4" Stage 1 HIPO Muffler For Water Injected Headers

The Stage 1 Silencer Muffler is a state of the art design developed with years of testing to quiet high performance motors in order to meet the new stringent sound regulations. The Stage 1 Silencer is designed to keep you on the lake without loss of major horsepower. It reduces noise to the low 80 decibels with idle at 800 RPMs in motors up to 600 horsepower with a loss in horsepower of only 3% - 5%. Made from 100% Stainless Steel. Easy installation; just attach one bolt and you are ready to go. So, Stay on the Lake with Power to Spare.

• 100% Stainless Steel.
• Decibel: Stock to 600 hp in low 80 decibels with idle at 800 RPMs
• Works with higher horsepower motors, but decibel levels may increase
• Perforated Tube with Internal Baffle, Packed with Stainless Steel Wool
• Mufflers are 3-7/8" O.D. x 10-1/2" long
• Fits in 4" and belled 5-1/8" x 16 gauge Collectors
• Does not fit on 4" x .083" 14 gauge wall tubing
• Installation Kit included; two bolts, two spacers, two washers, and two nuts to attach both mufflers
• Two Mufflers per set
  

HCX Competition Series Offshore Mufflers 4" O.D. x 8"Long  (Pair)

• All Stainless Steel Construction
• Strategic louvered design provides noise reduction
• Length 8"
• Perfect for Dry or Wet exhaust systems
• 4" O.D
• Maximum flow
• Simple single bolt installation
• *Note: Custom made, 2-4 weeks to build. Please Note the inside diameter of your exhaust pipe. below.

HCX Competition Series Offshore Mufflers 4-1/4" O.D. x 8"Long  (Pair)

• All Stainless Steel Construction
• Strategic louvered design provides noise reduction
• Length 8"
• Perfect for Dry or Wet exhaust systems
• 4-1/4" O.D
• Maximum flow
• Simple single bolt installation
• *Note: Custom made, 2-4 weeks to build. Please Note the inside diameter of your exhaust pipe below.

HCX Competition Series Offshore Mufflers 4" O.D. x 16"Long  (Pair)

• All Stainless Steel Construction
• Strategic louvered design provides noise reduction
• Length 16" for enhanced sound muffling.
• Perfect for Dry or Wet exhaust systems
• 4" O.D
• Maximum flow
• Simple single bolt installation
• *Note: Custom made, 2-4 weeks to build. Please Note the inside diameter of your exhaust pipe below.

HCX Competition Series Offshore Mufflers 4-1/2" O.D. x 16"Long  (Pair)

• All Stainless Steel Construction
• Strategic louvered design provides noise reduction
• Length 16" for improved muffling performance.
• Perfect for Dry or Wet exhaust systems
• 4-1/2" O.D
• Maximum flow
• Simple single bolt installation
• *Note: Custom made, 2-4 weeks to build. Please Note the inside diameter of your exhaust pipe below.

These mufflers come with our 02-8172 Gatlin Tip/slip in Muffler or can be used with any exhaust system that has 5" OD Stainless Pipe with 8" or 12" of open area to except the muffler.