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    Home / Products / BMW 135i N54 3" CATLESS DOWNPIPES
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    BMW 135i N54 3" CATLESS DOWNPIPES - ARM Motorsports
    Sale

    N54DPRWD

    BMW 135i N54 3" CATLESS DOWNPIPES

    $297.00$327.00
    67 reviews
    • 30 Day Money-Back Guarantee | IN STOCK

    HIGHLIGHTS

    • Gain up to +25whp / 37wtq
    • Improved Exhaust Sound
    • 304 Stainless Steel
    • Perfect Fitment


    Take your N54-powered BMW 135i to the next level with ARM Motorsports' 3" catless downpipes. 

    The ARM N54 catless downpipes eliminate the restrictive oem converters on the stock downpipes allowing the exhaust to flow more freely, increasing power and torque. Because higher boost levels generate more heat, the ARM catless downpipes allows your 135i to run boost settings of Stage 2 tunes and beyond. 

      

    CONSTRUCTION

    The ARM 135i catless downpipes are designed with a 3" stainless steel construction to optimize exhaust flow and obtain optimal back-pressure. Each downpipe has 2x O2 sensor bungs so the factory BMW O2 sensors can be remounted, allowing the ECU to continue to monitor the exhaust gases. Because these downpipes are a catless design, an ECU tune or CEL fix will be needed to avoid a CEL from displaying on instrument panel.
     

    IN THE BOX

    • ARM 3" Catless Downpipe Set
    • Hardware Kit
    • New Gaskets
     

    FITMENT GUIDE

    Make Chassis Model Engine
    BMW E82 1 M Coupe N54 3.0L
    BMW E82 135i N54 3.0L
    BMW E88 135i N54 3.0L
    BMW E90 335i N54 3.0L
    BMW E92 335i N54 3.0L
    BMW E92 335is N54 3.0L
    BMW E93 335i N54 3.0L
    BMW E93 335is N54 3.0L
     

    ARM MOTORSPORTS LIFETIME WARRANTY

    Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit.

    This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.

    Customer Reviews
    5.0 Based on 67 Reviews
    5 ★
    96% 
    64
    4 ★
    4% 
    3
    3 ★
    0% 
    0
    2 ★
    0% 
    0
    1 ★
    0% 
    0
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    Filter Reviews:
      SM
      06/08/2021
      Sebastian M.

      Amazing

      The car sounds and feels amazing thanks to the arm downpipes and the shipping was insanely quick. I am very happy with my purchase.

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      NM
      03/30/2021
      Natanael M.

      I Recommend

      When I Got them They Looked great And Fit like a Glove. The only thing i didn't read was that i would need a tune After install DO NOT GET if you do not have a flasher like the cobb tunning one or the bms jb4 Cause The car WILL throw codes. I Wasn't Aware when Purchasing and they threw codes immediately. But other than that you have to tune your car i recommend them, They Are of amazing quality and i am very satisfied

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      S
      01/28/2021
      Sam

      Downpipes

      I like the price and shipping is very fast. i have bought several of these including for my own car i have installed many if then also I like their fitting but only thing i would change is the o2 sensor location i would relocate them a little different Thats all...

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      C
      11/05/2020
      Chris

      Great Pipes

      I’ve been running these for a couple of years now. I recently took them out as I’m upgrading turbos and they still looked good. I didn’t have any issues installing them and they fit well. ARM has one of the best deals going for quality downpipes.

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      A
      06/04/2020
      Anonymous
      QC Canada

      Catless downpipes

      They look great, but most importantly they fit perfectly on my car. I could not be happier after a bad experience with another company that sold me down pipes that did not fit.

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      Was this helpful?  1    0

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