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ARM Motorsports

4.5 (123)

6" B58 DOWNPIPE - 240i 340i 440i 540i 640i 740i

Name: ARM Motorsports 6" B58 DOWNPIPE - 240i 340i 440i 540i 640i 740i - 6" B58 DOWNPIPE - 240i 340i 440i 540i 640i 740i
Brand: ARM Motorsports
SKU: 41016612749427
Price: 327.0 USD
Availability: InStock
Rating: 4.88 (8 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$327.00$397.00

18% off

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Color

Black

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Description

30 Day Money-Back Guarantee | IN STOCK

HIGHLIGHTS • 6" High-Flow Section
• Improved Exhaust Sound
• Faster Turbo Spool • Safely Flash Stage 2+ Tunes • SS304 Stainless Steel PROFILE

The ARM 6" B58 Downpipe takes...

Reviews

4.9

25 ratings

Amazing product it is what i was expecting and more. Delivery was quick and installation was easy.

Zaidan · June 26, 2026

Best downpipe for the B58!

Kenneth · June 11, 2026

package came exactly as described/ displayed and sounds amazing on my 440i gran coupe. i beleive you guys had the cheapest 6”inch downpipe on the market for gen 1 b58 at the time. definitely shopping again

Akiba · March 11, 2026