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Home / Exhaust / Downpipes / aFe Twisted Steel Street Series Down-Pipe 14-19 MINI Cooper S L4-2.0L (t)
aFe

aFe Twisted Steel Street Series Down-Pipe 14-19 MINI Cooper S L4-2.0L (t)

PART 48-36322-HCCATEGORY Downpipes
$1,329.00
$1,329.00
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Twisted Steel Downpipe 3 to 2-3/4 IN 304 Stainless Steel w/ Cat MINI Cooper S (F55/F56/F57) 15-19 L4-2.0L (t) B46

Twisted Steel Downpipe 3 to 2-3/4 IN 304 Stainless Steel w/ Cat

Features

3 IN to 2-3/4 IN mandrel-bent, 304 stainless steel tubing for improved flow

100% TIG-Welded for Strength and Durability

CNC machined flange for a leak free seal

High flow 400 CPSI catalytic converter

+20 lbs. x ft. TQ & +16 HP

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Downpipes
UPC / barcode
802959482735
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
Compliant
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No

Manuals and documents

More manufacturer information

Other product descriptions

aFe Twisted Steel Street Series Down-Pipe 14-19 MINI Cooper S L4-2.0L (t)

Twisted Steel Downpipe

Stainless Downpipe

About the manufacturer

Add dyno-proven power to your Mini Cooper with this Twisted Steel down-pipe which produced up to +16 horsepower and +20 lbs. x ft. torque max gains as measured on our in-house dyno. 3" to 2-3/4" mandrel-bent, 304 stainless steel tubing and high flow, 400 CPSI catalytic converter improves exhaust flow to deliver increased horsepower and torque. This direct bolt-on down-pipe requires no cutting or drilling and includes quality hardware for a hassle-free installation. Performance Gains: In house dyno testing produced gains of up to +16 horsepower and +20 lbs. x ft. torque (tested with catalytic converter). Includes 3rd O2 bung: This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation. 304 Stainless Steel: 3" - 2-3/4" mandrel-bent, 304 stainless steel tubing for maximum flow and corrosion resistance. High-Flow Catalytic Converter: This system utilizes a 400 CPSI (cell per square inch) high flow catalytic converter for maximum flow. 6" Interlock Flex Pipes: This unit utilizes heavy duty 6" flex tubes with internal interlock liners. CNC Machined Flange: Quality CNC machined flange mounts directly to OE mounting locations for a leak-free sealing surface. Hassle-Free Installation: Designed to be a true bolt on system with no cutting or modifications required. Quality hardware is included for a hassle-free installation. TIG-Welded: 100% TIG-welded for race proven strength and durability. All aFe exhaust systems are engineered and manufactured in our Corona, California facility.

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aFe Twisted Steel Street Series Down-Pipe 14-19 MINI Cooper S L4-2.0L (t) | Q40 Motorsports