AFE Power Down Pipe



3″ Catted Down Pipe Fits 2016-2018 Focus RS


  • Includes 3rd Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation
  • 3″ Mandrel Bent, 304 Stainless Steel Tubing Improves Flow for Proven Gains
  • High Glow 400 CPSI Catalytic Converter
  • Heavy Duty 6″ Flex Tubes with Internal Interlock Liners
  • High Quality Laser Cut Flanges for Maximum Strength and Durability
  • 100% Hand TIG Welded for Strength and Durability

Add dyno-proven power to your Ford Focus RS with this Twisted Steel down-pipe which produced up to +10 horsepower and +14 lbs. x ft. torque max gains as measured on our in-house dyno. 3″ mandrel-bent, 304 stainless steel tubing and high flow, 400 CPSI catalytic converter improves exhaust flow to deliver increased horsepower and torque. This direct bolt-on down-pipe requires no cutting or drilling for a hassle-free installation.

Performance Gains:
In house dyno testing produced gains of up to +10 horsepower and +14 lbs. x ft. torque.

Includes 3rd O2 bung:
This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation.

304 Stainless Steel Construction:
This down pipe is constructed of 3″ mandrel-bent, 304 stainless steel tubing for maximum flow and corrosion resistance.

High-Flow Catalytic Converter:
This system utilizes a 400 CPSI (cell per square inch) high flow catalytic converter for maximum flow.

Laser Cut Flanges:
Quality laser cut flanges mount directly to OE mounting locations for a leak-free sealing surface.

6″ Interlock Flex Pipes:
This unit utilizes heavy duty 6″ flex tubes with internal interlock liners.

TIG Welded:
100% TIG welded for race proven strength and durability.

Additional Power:
Combine with cat-back (49-33104) for gains of up to +19 horsepower and +25 lbs. x ft. torque.

Emissions Disclaimer:
This product is EPA compliant, not for sale or use on vehicles certified for the state of California. Consult your state or local authority for any additional clarification. Replacement of catalytic converters (if equipped) is allowed only under the following conditions: 1) if the vehicle is missing a converter; 2) if a state or local inspection program has determined the existing converter has been lead-poisoned or damaged or otherwise needs replacement; or 3) if the vehicle is more than five (5) years old or has more than 50,000 miles and a legitimate need for replacement has been established and documented. This product only fits those vehicles as listed in the application table.

aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Additional information

Weight 13.9 lbs
Dimensions 28.9 × 17.7 × 17.7 in