Description
- 30 Day Money-Back Guarantee | IN STOCK
HIGHLIGHTS
• Gain up to +25whp / 37wtq
• Improved Exhaust Sound
• 304 Stainless Steel
• Perfect Fitment
• Improved Exhaust Sound
• 304 Stainless Steel
• Perfect Fitment
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
• 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.
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.