ALFA ROMEO - 4C - 3'' Decat
  • If you are looking for pure performance without emission control requirements, than choosing our 3'' Modular exhaust system - Decat is the right choice.

     

    This decat component is a part of a fully modular GMS 3'' exhaust system and can be combined with all the other GMS exhaust parts you need.

     

    Dyno proven, 9hp - 11hp power increase over stock exhaust system on stock 4C

    Dyno proven, 16hp - 33hp power increase over stock exhaust system on ECU tuned 4C

     

    Next step is GMS 3" Midpipe.

    ALFA ROMEO - 4C - 3'' Decat

    SKU: ALFA4CGMS3DC
    330,00€Price
    OPTIONS
      • Lightweight 640g vs. stock cat (4.200g cat + 620g bracket).
      • 9hp - 11hp power increase over stock exhaust system on stock 4C.
      • 16hp - 33hp power increase over stock exhaust system on ECU tuned 4C.
      • Plug and play.
      • Decat system (race use only).
      • 3'' / 76mm diameter.
      • Simple, minimalistic and effective high flow design.
      • Back purged TIG welded.
      • Quick release V-band clamps for easy installation.
      • T304 Stainless steel.
      • Less engine heat.
      • Less backpressure.
      • Less turbo lag.
      • Better throttle response.
      • Faster gear shifts.
      • Laser engraved GMS logo.
      • Requires GMS 3" Downpipe.
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