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ETS MaxFlow Exhaust Header Subaru STI 2004-2021
$1495.00

This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1 7/8 primary runners that come together in a true low angle 4-1 merge collector that then flow into a huge 2.5" secondary for maximum scavenging and exhaust flow.

Features:
  • 1 7/8" primary runners with 2 1/2" secondary for maximum flow.
  • CNC mandrel bent runners.
  • Custom .100 USA made thick wall tubing for durability.
  • Low angle 4-1 merge collector for maximum flow and exhaust scavenging.
  • Slip fit connection for ease of removal and installation.
  • 2-bolt or Vband up pipe flange options.
  • Stock replacement design.
  • Low profile design for maximum clearance.
  • Surfaced flanges for a leak free seal.
  • 304 Stainless steel construction.
  • 100% built in house and made in the USA.
Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2004-2012
Subaru Impreza
2017
Subaru STI
2013-2016, 2018-2021
Subaru WRX STI
Extreme Turbo Systems - Your source for high quality performance that are manufactured in the USA. We build performance parts for GTR, Supra, Evolution 8/9, Evolution X, WRX, STI, Porsche 911/996/997, BMW 135i and 335i as well as custom intercoolers.
No warranty whatsoever will be given if the defect was caused by customers' abuse, negligence, mishandling, or improper installation. All merchandise sold by Extreme Turbo Systems is only subject to manufacturer warranty, if any. Warranty items are subject to submission to the manufacturers for inspection and approval for repair or replacement of merchandise. Customer, however, will be responsible for all shipping and handling fees. No labor or inconvenience may be included in any warranty claims. There is no warranty on lights, light bulbs, decals, electrical parts, and engine parts. Check your state and local laws regarding the use on any parts.

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