ARM BMW 135I N54 3" CATLESS DOWNPIPES
ARM BMW 135I N54 3" CATLESS DOWNPIPES
ARM BMW 135I N54 3" CATLESS DOWNPIPES
ARM BMW 135I N54 3" CATLESS DOWNPIPES
ARM BMW 135I N54 3" CATLESS DOWNPIPES
ARM BMW 135I N54 3" CATLESS DOWNPIPES
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ARM BMW 135I N54 3" CATLESS DOWNPIPES

N54DPRWD
Out of stock Many in stock
Exhausts/Downpipes
$279.00

HIGHLIGHTS

• Gain up to +25whp / 37wtq
• Improved Exhaust Sound
• 304 Stainless Steel
•...
$279.00

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HIGHLIGHTS

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

PROFILE

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.
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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at support@euroklasse.com. If your return is accepted, Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at support@euroklasse.com. Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods, custom products (such as special orders or personalized items), We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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