Exhaust› Exhaust Pipes, Systems and Components

VRSF

B46 Downpipe Upgrade

$279.99

SKU: VRSF-B46

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The VRSF B46 Downpipe Upgrade is a performance exhaust component designed for BMW G and F chassis vehicles with the B46 engine. This downpipe is hand-crafted from tig-welded, 304-grade stainless steel and features smooth radius bends to improve flow and reduce turbulence.

The upgrade promises an increase in power, faster spool, and a more aggressive exhaust note.
Show original supplier description
The VRSF B46 Downpipe Upgrade is a high-performance exhaust component engineered to enhance the capabilities of BMW vehicles equipped with the B46 engine, specifically for the G and F chassis models. Constructed from hand-tig-welded, 304-grade stainless steel, this downpipe is built for durability and optimal exhaust flow. Its design incorporates smooth radius bends, which are crucial for minimizing exhaust turbulence and maximizing the velocity of gases exiting the turbocharger. This attention to detail in construction contributes to the product's promised performance gains. It seamlessly integrates with both the factory cat-back exhaust system and various aftermarket options, offering flexibility for enthusiasts. This upgraded downpipe is intended to provide a noticeable increase in horsepower, quicker turbocharger spool times, and a more aggressive, sportier exhaust note. When paired with a suitable tune, users can expect gains ranging from 18 to 23 horsepower. The product is backed by a VRSF Lifetime Warranty, underscoring the manufacturer's confidence in its quality and longevity.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandVRSF
Part NumberVRSF-B46
CategoryExhaust

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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