aFe Twisted Steel Header - Subaru 04-21 WRX/STi / 05-09 LGT

aFe
SKU: afe48-36802

Quick Overview

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire powerband. Combine with a large 1/2" thick...
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The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire powerband.

Combine with a large 1/2" thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built-in in Corona, CA.

DETAILS:

  • Dyno-Proven Gains up to +7 HP & +10 Lbs. x Ft. TQ
  • Delivers an Aggressive Exhaust Tone
  • Oversize 2-1/2" Mandrel-Bent, 304 Stainless Steel Tubing for Maximum Flow
  • Saves Weight Over Factory System by Eliminating Restrictive Muffler
  • 100% MIG Welded for Strength and Durability
  • Optional Clamp-on Tips Available in Gloss Black, Polished, Carbon Fiber, and Blue Flame

Ultimate performance upgrade – Wake up the exhaust on your Subaru with this Takeda muffler delete axle-back by aFe POWER. Eliminates restrictive muffler, delivering a proper Subaru exhaust tone while increasing HP and torque.

Performance Gains:
In testing, this axle-back exhaust system produced gains up to +7 HP and +10 lbs. x ft. of TQ, as measured on our in-house dyno.

Muffler Delete System:
Eliminates the factory muffler to improve exhaust flow, horsepower, and torque, resulting in a proper Subaru exhaust tone.

Weight Savings:
Removes weight of stock muffler (16 pounds vs. 7 pounds).

Stainless Steel Construction:
2-1/2", mandrel-bent, 304 stainless steel tubing for maximum performance, corrosion resistance, strength, and durability.

MIG-Welded:
100% MIG-welded for race-proven strength and durability. MIG-welding provides the strongest welds.

Perfect Fit:
OE-style bayonet hanger is used to maintain a stable pipe location that does not change over time.

 

Year Make Model
2018-2021 Subaru Crosstrek
2004-2014 Subaru Impreza WRX/STi
2015-2021 Subaru WRX STI
2005-2009 Subaru Legacy GT
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