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INDEPENDENCE DAY SALE -- 10% OFF WITH CODE "FREEDOM10"
N54DPAWD
Take your N54 powered BMW 335xi to the next level with ARM Motorsports 3" catless downpipes.
The ARM N54 AWD 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 335xi catless downpipes allows your AWD N54 to run boost settings of Stage 2 tunes and beyond.
The ARM 335xi catless downpipes are designed with 3" stainless steel construction to optimize exhaust flow off the turbochargers and reduce to 2.5" to match up perfectly to the OEM midpipes. Our 335xi downpipes are designed specifically to fit your AWD N54 platform.
Each downpipe has two O2 sensor bungs so the factory BMW O2 sensors can be remounted allowing the ECU to continue to monitor the air/fuel mixture via the exhaust. 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.
AWD VEHICLES ONLY
| Make | Chassis | Model | Engine |
| BMW | E90 | 335xi Sedan | N54 3.0L |
| BMW | E92 | 335xi Coupe | N54 3.0L |
| BMW | E93 | 335xi Convertible | N54 3.0L |
2008 335xi MHD Stage 2+ E30 running 3.65sec 0-60 and 11.7 1/4 mile!! No Issues!!
Buckle your biscuits and strap in your strudel, these pipes make a world of difference! Faster spool time, better exhaust note, obvious deepening of power band. Do not cut the old cats out, when you buy these and when you install them go ahead and drop your subframe. Its absolutely necessary on these Xi models. Save yourself time and headache. I would advise buying new v clamps as well because the old ones are usually seized and will break off. Overall the stoke level is very high despite the install hassle. Build quality and fit are top notch. Worth every dollar.
Took around around a week and a couple days for the pipes to come in. It was surely a time consuming install but the final result is amazing. The car sounds aggressive and has that nice sporty tone that everyone loves. This pipe truly wakes up the n54 and unleashes a lot of potential.
Fitment was perfect super easy install
United StatesPurchase was great fitment was great
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