Flowmaster ::::: Flowmaster 817580 Cat-Back System 409S for 2006-2011 Honda Civic

Flowmaster 817580 Cat-back System 409S - Single Rear Exit - dBX® - Moderate Sound

This dBX Cat-back exhaust system delivers enhanced horsepower, torque and fuel mileage by utilizing patented dBX Laminar Flow technology and optimum pipe diameters. Manufactured in the USA from T409 stainless steel, this exhaust provides a deep performance tone and bolts directly on behind the factory cat with a 2.25 in. mandrel bent pipe, and continues through the dBX muffler to finish with a 3.50 in. polished stainless tip.

Features:

• Stainless steel construction
• Dyno tuned for maximum performance
• Patented Laminar Flow technology
• Premium Flowmaster quality

Product Specification:

• 2WD/4WD: 2WD
• Exhaust series: DBX®
• Exit Position: Single Rear Exit
• Heat shield: None
• Inlet diameter (inches): 2.25
• Material: Stainless Steel
• Muffler part number: Kit Only
• Muffler quantity: 1
• Muffler series: DBX® Series
• Outlet diameter (inches): 2.25
• Single/Dual: Single
• Sound level: Moderate Sound
• System type: Cat-back System
• Tip diameter (inches): 3.00 x 4.50
• Tip quantity: 1
• Tubing diameter (inches): 2.25

Fitments:

• 2006-2011 Honda Civic Si L4, 2.0L

Note: Fits 2006 to 2011 Honda Civic Si with a 2.0L L4 engine. Fits 2 door and 4 door models. Does not fit hatchback model.