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ISR Performance GT Dual Exhaust - 98-05 Lexus GS300

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ISR Performance GT Dual Exhaust - 98-05 Lexus GS300

ISR Performance GT Dual exhaust is a catback exhaust system made of mandrel bent stainless steel to ensure the highest reliability and quality. This dual exhaust gives you all the advantages of unrestricted flow to maximum horsepower while retaining a deep and aggressive exhaust tone. This GT dual exhaust is the perfect combination for both naturally aspirated and forced induction applications.


  • Provides a deep and aggressive exhaust tone
  • Precision TIG welded Stainless Steel
  • Brushed Stainless finish 
  • Polished tips and mufflers
  • 3" to dual 2.5" Piping with dual 4.5'' muffler tips 


  • 1998-2005 Lexus GS300

What’s in the box:

  • 1x Mid Pipe
  • 2x Rear Muffler Sections
  • 1x 2 Bolt 3" Exhaust gasket 
  • 2x 2 Bolt 2.5" Exhaust gasket
  • 4x Bolts
  • 4x Nuts


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Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.

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