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#1: 08-14-2012, 08:50 AM
New to Subaru, new to this forum, questions on exhaust and intake on '09
Visualrinse's Avatar
Title: Junior Member
Location: Peoria
Car: 09 Subaru Legacy 2.5i Special Edition
Posts: 39
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Hi all,
Got a new to me '09 Subaru and considering some mods. Most are aesthetic, but on the topic of performance:

A couple questions...
  1. Will installing a K&N air intake require ECU reprogram?
  2. Will installing a new performance exhaust like a Borla require ECU reprogram?
  3. Will these mods void a warranty?
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