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Milltek Sport

Stainless Steel De-Cat Downpipe

$265.48 $238.93 Save $26.55

SKU: MIL-SSXSE111

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

Fabricated from T304L stainless-steel, this downpipe features a larger diameter than standard OEM parts to allow more gas to exit the engine. It includes a de-cat, meaning it is for off-road or motorsport use only and will inhibit a vehicle from passing a MOT test.
Show original supplier description
This product is designed to mate with Milltek Sport Cat-Back Systems and requires a Stage 2 ECU remap for optimal performance. It is crucial to note that this downpipe is a de-cat component, meaning it does not include a catalytic converter. Consequently, it is intended strictly for off-road and motorsport use. Fitting this part will prevent your vehicle from passing an official MOT test, as only EC type-approved components are legal for road use. If this non-EC type-approved component is fitted, the vehicle cannot be driven on public roads from the premises and will require recovery via trailer to confirm its intended use is for off-road purposes.

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

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Specifications

BrandMilltek Sport
Part NumberMIL-SSXSE111
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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