Cessna 180 (Post 1956)/182/185 Aircraft Exhaust Power Flow Systems

Please email [email protected] for pricing on Power Flow products. Prices fluctuate too frequently to remain current. Include registration number and engine make and model.

Proven Performance Gains

Owners and test data show:

• +3–7 knots faster cruise (3-knot minimum guarantee)
• Up to 1.5 gph fuel savings at current cruise speeds
• Up to 20% improvement in climb rate
• +2,000–5,000 ft increase in service ceiling
• Dyno-proven +15 HP and +28 lb-ft torque on the O-470
• Smoother, more efficient engine operation

Engineered for Maximum Flow

Our patented dual-exhaust design replaces the restrictive stock muffler with:

• True dual exhaust, reduced back pressure, and improved breathing
• Two independent performance mufflers
• 1.75" mandrel-bent, equal-length primary tubes
• Patented 3-into-1 collector
• 2.5" tailpipes with ¼" 4-bolt flanges

Exhaust System Features

• Independent slip joints (no clamps needed)
• No complicated bracketry
• Two heat sources, like the original system
• Approximately 2 lbs lighter than stock
• Muffler with easily replaceable components (no overhaul required)
• Exits through the factory cowling outlet
• All hardware and SCAT tubing included for installation

Installation & Certification

• FAA STC-approved for all Cessna 180 series aircraft
• Typical installation time: 6–8 hours
• 1-year / 500-hour warranty (extended to 2-year / 500-hour with dynamic balance within 25 hours of installation)

Performance Test Results

Speed Increase / Fuel Burn Change

11,500 ft: +3–6 knots / up to –1.3 gph

8,500 ft: +3–4 knots / up to –0.7 gph

2,500 ft: +3 knots / +0.4–0.8 gph

Visit Blue Skies Aviation, a PowerFlow Systems Risk Free Guarantee Installation Center.
Download the Installation Manual