2012-2015 Honda Civic Si Twisted Steel Down Pipe Race Series

Item Availability : Available to Order
Part#:
48-36602-HN
MSRP Price $687.70 USD Our Price $529.00 USD (You Save $158.70 USD) A total savings of 23.08%
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••Race version for added performance and a more aggressive sound
••A unique 2-3/4" to 2-1/2" stepped design is used to increase exhaust velocity 
••Constructed of durable mandrel bent, brushed 304 stainless steel tubing 
••100% hand TIG-Welded by certified craftsmen for race proven strength and durability
••Incorporates a heavy duty 6" flex tube for added strength and durability
•Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation
Testing:
•In testing, this down-pipe produced a max gain of +8 horsepower and +7ft. lbs. of torque verified by our in house dyno (From "Street" version, tested on 2015 Honda Civic Si L4-2.4L)

aFe power introduces an all new Twisted Steel "Race" down-pipe for the 2012-2015 Honda Civic Si with L4-2.4L engine. This down-pipe is designed as a "Race" version for added performance and constructed of mandrel-bent, 304 stainless steel tubing for optimum flow resulting in added horsepower and torque. In house testing produced a max gain of +8 horsepower and +7ft. lbs. of torque verified by our in house dyno. This down-pipe is 100% hand TIG-welded and uses a 2-3/4" into 2-1/2" stepped design that increases exhaust velocity and eliminates low pressure drops which helps to scavenge the exhaust for increased power. This kit also includes a heavy duty 6" flex tube with an internal interlock liner for added strength and durability.

Race Version:
This down-pipe was designed as a "Race" version for added performance and a more aggressive sound.

2-3/4" to 2-1/2" Stepped Design:
A unique 2-3/4" to 2-1/2" stepped design, is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.

6" Interlock Flex Pipe: 
This unique down-pipe uses a heavy duty 6" flex tube with an internal interlock liner for added strength and durability.

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:
Includes an O2 sensor extension harness and a lower flange gasket for a hassle-free installation. This unit also comes with a 2-year warranty.

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

Note: This is a "Race Only" product used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws.



More Information
Weight20.0000
Parent Product TypePerformance Upgrades
Product TypesDown Pipes
BrandAdvanced Flow Engineering
MakeHonda
ModelCivic
Year Start2012
Year End2015