SKU: 310001 | UPC: 677418013450
Gibson Marine Power Tip Muffler (Pair) 4in Inlet 6.75in Length Stainless Universal Marine Fit
Gibson Marine Power Tip Muffler Pair SKU 310001 delivers straight-through exhaust flow for marine vessels with 4-inch systems. These 304 stainless steel mufflers fit most high-performance boat engines up to 575 hp including Mercruiser and Volvo Penta. They retain horsepower while reducing noise to meet SAE J2005 88 dB limits through water-dampened technology and clamp-on design.
Key Features
- Performance: Tested on 496 525 and 575 hp engines with straight-through core for full exhaust flow and no power loss.
- SAE J2005 Compliance: Lowers decibels below 88 dB limit for legal operation on California waters and quiet cruising.
- 304 Stainless Steel Build: Resists corrosion in saltwater with 4.00in inlet outlet 6.75in length 4.50in case diameter round shape center inlet outlet.
- Clamp-On Install: Rolled-edge tip and OEM-style mounting for direct bolt-on fit without modifications.
- Water-Dampened Sound: Produces refined tone like street cars using water to control exhaust noise.
Product Notes
- One-year limited warranty on defects in material workmanship excludes racing use or customer coatings stainless warranted against internal rust-through.
- Sold as pair includes installation hardware for complete exhaust setup.
- Packaging weighs 7.0 lbs measures 7.0in W x 7.0in H x 21.0in L.
Installation Notes
- Professional installation recommended.
- Clamp-on rolled-edge tips attach to 4in exhaust with included mounting hardware.
- Compatible with transom or OEM clamp systems no welding or cutting required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| All Years | Mercruiser | Various V8 Engines | 4in Exhaust |
| All Years | Volvo Penta | Various V8 Engines | 4in Exhaust |
| All Years | Universal Marine | High-Performance Boats | Up to 575 hp 4in Exhaust |
Why Choose Gibson?
- Proven on dyno-tested marine engines for reliable power retention.
- High-grade 304 stainless steel endures harsh marine conditions.
- Engineered straight-through design with water dampening for balanced sound and flow.
Frequently Asked Questions
- Q: Does this fit my boat with 4in exhaust?
A: Yes universal for Mercruiser Volvo Penta and other marine engines up to 575 hp with 4.00in inlet outlets verify your exhaust diameter. - Q: What material is used?
A: 304 stainless steel construction with round 4.50in case 6.75in overall length straight-through core and rolled-edge tips. - Q: What warranty applies?
A: One-year limited on material workmanship defects stainless against rust-through excludes racing or coatings.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Box 7.0in W x 7.0in H x 21.0in L
- Weight: 7.0 lbs
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