SKU: 37735496049

SLN BMW B58 OPF Decat Downpipe M340i M440i 540i

$144.00 $160.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 13 - Sep 18

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Description

SLN BMW B58 OPF Decat Downpipe M340i M440i 540iSLN BMW B58 OPF Decat Downpipe M340i M440i 540i DESCRIPTION SLN Motorsport BMW M340i 440i 540i 640i 740i and 840i 4. 5 stainless steel decat downpipe for B58 OPF engines only Features Full Stainless Steel 304, Stainless Steel flex joint with an inner Stainless liner inside for durability, longevity, What you'll notice is a much deeper exhaust note, better spool response. This downpipe will fit the following models with OPF PPF only: BMW G20 21 M340i

 

SLN BMW B58 OPF Decat Downpipe M340i M440i 540i

DESCRIPTION

SLN Motorsport BMW M340i 440i 540i 640i 740i and 840i 4.5” stainless steel decat downpipe for B58 OPF engines only

Features

Full Stainless Steel 304, Stainless Steel flex joint with an inner Stainless liner inside for durability, longevity,

What you'll notice is a much deeper exhaust note, better spool/response. 

This downpipe will fit the following models with OPF/PPF only:

BMW G20/21 M340i 3.0L 285KW/374PS 2019 OPF Model

BMW G22 440i 3.0L 285KW/387PS 2019 OPF Model

BMW G30/31 540i 3.0L 250KW/340PS 2018 OPF Model

BMW G32 640i 3.0L 250KW/340PS 2018 OPF Model

BMW G11/12 740i 3.0L 240KW/326PS 2019 OPF Model

BMW G14/15/16 840i 3.0L 250KW/340PS 2019 OPF Model

BMW Z4 G29 M40i 3.0L 250KW/340PS 2019 OPF Model

Toyota Supra MK5 A90 GR 3.0L 250KW/340PS 2019 OPF Model

The use of de-cats, sports cats and removing OPF are for off road/motorsport use only. Using these parts would inhibit your vehicle from passing a MOT test.

Only EC type-approved components are legal and fit for road use.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37735496049

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4.3 ★★★★★
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jakobsmom
Omaha, US
★★★★★ 5
SUPER SOFT - GREAT QUALITY!
Size: Crescent Queen
This crescent pillow protector is more than I expected, as far as softness and just the overall quality of it. I wish my PILLOW was as nice as this protector! Definitely recommend.
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Reviewed in the United States on March 23, 2026
B
Verified Purchase
BLV
Phoenix, US
★★★★★ 5
Exactly as described
Size: Crescent Queen
This pillow cover is everything they said it would be. Comfortable, no crinkle sound. Fits the pillow like a glove. I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
E
Verified Purchase
Erick Rodriguez
Los Angeles, US
★★★★★ 5
Best pillow ever
Color: White, Size: Queen Size Set of 2
These pillows are soft, comfortable, and feel like true hotel-quality bedding. They stay cool throughout the night, provide great medium support, and the cotton cover feels smooth and luxurious. Perfect for a restful sleep!
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Reviewed in the United States on May 21, 2026
Z
Verified Purchase
Zeyla Vanessa Espinales Artiaga
Birmingham, US
★★★★★ 5
Soft, Cool, and Comfortable for Everyday Sleep
Color: White, Size: Queen Size Set of 2
These pillows feel soft and comfortable without being too firm. I like that they stay cool during the night, and the cotton fabric gives them a nice hotel-style feel. So far, they’ve kept their shape well and feel great for everyday use.”
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Reviewed in the United States on May 18, 2026
E
Verified Purchase
Esmill mateo terrero
San Leandro, US
★★★★★ 5
Excellent
Color: White, Size: Queen Size Set of 2, Color: White, Size: Queen Size Set of 2
They are super comfortable and soft, I like them very much since after I use them I sleep better and I no longer wake up with an uncomfortable neck, they keep the shape well and the quality feels very good. 😍😍
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Reviewed in the United States on May 16, 2026

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