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RennTech S 63 M177 downpipes with catalysts laid out - Downpipes for the 2018-2021 S 63 AMG Sedan

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Single S 63 downpipe from the side - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe flange with RennTech plate - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe mounting tab close up - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe outlet face - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe catalyst can from the inlet - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe with RennTech identification plate - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe tube in full - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe serial plate close up - Downpipes for the 2018-2021 S 63 AMG Sedan

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S 63 downpipe bend and bracket - Downpipes for the 2018-2021 S 63 AMG Sedan

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RennTech Downpipes 2018-2021 Mercedes-AMG S 63 Sedan W222 C217

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Brand: RennTechSKU / Part #: 49.177.0375

Regular price: $5,315.60
Regular price: ~~$5,480.00~~
Sale price: $5,315.60
Unit price: per

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Subtotal: $5,315.60

Quantity:

RennTech Downpipes 2018-2021 Mercedes-AMG S 63 Sedan W222 C217

Subtotal: $5,315.60

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Overview

RennTech's downpipe for the 2018-2021 S 63 AMG Sedan replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.

Key details

Bolts to the factory S 63 exhaust, with all mounting hardware and clamps included. Not for use on US public roads.

Features

Free-flowing downpipe design
200-cell sport catalytic converter
Less back pressure behind the turbo

Specs

Part number	49.177.0375
Engine	4.0L M177 twin-turbo V8
Shipping weight	37 lb

Fitment notes

Fitment is as listed by RennTech for this part number.

Fitment

Make	Model	Chassis	Year	Engine
Mercedes-Benz	S 63 AMG Sedan	W222	2018-2020	4.0L M177 twin-turbo V8
Mercedes-Benz	S 63 AMG Coupe / Cabriolet	C217	2018-2021	4.0L M177 twin-turbo V8

Fitment

Year	Make	Model
2018–2020	Mercedes-Benz	S63 AMG
2018–2021	Mercedes-Benz	S63 AMG

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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