aFe POWER Twisted Steel Down-Pipe - Street Series

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SKU
48-36801-HC
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Special Price $649.00 Regular Price $811.25
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Features:
•This system utilizes a 400 CPSI (cell per square inch) 48-state legal catalytic converter for maximum flow
•A unique 2.5" to 3" stepped design is used to increase exhaust velocity
•Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking
•100% hand TIG-Welded by certified craftsmen for race proven strength and durability
•Includes second bung for either a wide-band O₂ gauge or auxiliary instrumentation
Testing:
•In house testing produced a max gain of +22 horsepower and +37 ft. lbs. of torque verified by our in house dyno

aFe power introduces an all new Twisted Steel "Street" Down-Pipe for the Subaru WRX STI 2015-2017 with H4-2.5L engine. This down-pipe is designed using a 48-state legal 400 CPSI catalytic converter and mandrel-bent, 304 stainless steel tubing for optimum flow resulting in added horsepower and torque. The down-pipe is 100% hand TIG-welded and uses a 2-1/2" into 3" stepped design that increases exhaust velocity and eliminates low pressure drops which helps to scavenge the exhaust for increased power. In house testing produced a max gain of +22 horsepower and +37 ft. lbs. of torque verified by our in house dyno. This kit includes a second bung for either a wide-band O₂ gauge or auxiliary instrumentation.

48-State Legal Catalytic Converter:
This system utilizes a 400 CPSI (cell per square inch) 48-state legal catalytic converter for maximum flow.

2-1/2" to 3" Stepped Design:
A unique 2.5" to 3" stepped design, is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.

TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

Brushed 304 SS Construction:
This down-pipe is constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Hassle-Free Installation:
All hardware and brackets are included for a hassle-free installation. This unit also comes with a 2-year warranty.

O₂Sensors Bungs:
This down-pipe uses factory mounting locations for the O₂ sensor and includes an additional bung for either a wide-band O₂ gauge or auxiliary instrumentation.

aFe down-pipes are engineered and manufactured in their Corona, California manufacturing facility.

Note: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.

For CA Proposition 65 Warning: Click Here

More Information
Part Number48-36801-HC
BrandaFe Power
Filter by Type of PartDownpipes
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