BMW 135i, 335i N54 Catless Downpipe - ARM Motorsports 330i (G21) Our team of skilled engineers

Our team of skilled engineers and designers continuously push the limits of innovation to offer cutting-edge solutions that enhance your vehicle’s style and performance

When testing the 7" FMIC on a Stage 2+ N54 335i we found it made an average of 10whp/10wtq over our 5" FMIC upgrade and 35whp/38wtq over the OEM intercooler

Remember the JB4 tuner for N55 engines does not require any additional modifications or previous stages

• ARM Dual Tips or Single Exit Selection

5"-3" heavy-duty clamps

BMW 135i, 335i N54 Catless Downpipe - ARM Motorsports 330i (G21) Our team of skilled engineersTake your N54 powered BMW 135i & 335i 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. HIGHLIGHTS Gain up to +25whp 37wtq Improved