Performance Cat-Back Exhaust - R52/R53 Cooper S/JCW

Product Details

Bring out the full power and sound of your supercharged W11 engine with the ECS Tuning cat-back exhaust. Engineered for precision fitment on all R52 and R53 Cooper S models, this system blends lightweight construction, durable materials, and a sound profile that evolves with your driving.

During daily driving, the system produces a smooth, deep tone. Push harder, and it rewards with crisp pops and burbles that perfectly suit the MINI’s playful character.

In-House Engineered:

• Developed In-House – Designed, tested, and inspected at our Wadsworth, Ohio facility using FARO ARM laser scanning, SolidWorks 3D CAD modeling, and rigorous long-term validation.
• 2.5" T304 Stainless Steel Tubing – CNC mandrel-bent with a brushed finish and 1.25mm wall thickness for maximum strength, flow, and corrosion resistance.
• Straight-Through Turbo-Style Muffler – In-house engineered with a perforated core and stainless steel wool packing. Aggressive sound under throttle, refined tones at cruise.
• Adjustable Dual 3.5" Tips – 10mm of vertical adjustment for a perfect rear valance fit.
• TIG-Welded & Back-Purged – Meticulously assembled for long-term durability and an art-like finish.

Installation & Fitment Features

• Factory-Style Mounting – Fabricated sheet metal brackets for strength and OE-like reliability.
• Slip Joints – Allow maximum adjustability for perfect fitment on every car.
• T304 Stainless Barbed Hangers – Corrosion-resistant and designed to last.
• Optimized for Ground Clearance – Perfect for lowered or track-focused builds.
• Resonated & Non-Resonated Sections – Choose your preferred balance of tone and volume.
• Fits Early & Late Models – Includes brackets for both ’02–’04 and ’05–’06 production years.
• Convertible Compatible – Designed with clearance for the R52 rear brace.

Performance Gains & Weight Savings

This system is not only stronger and better-sounding than stock,  it’s also lighter:

• OEM Exhaust: 42.7 lbs
• ECS Exhaust (Resonated): 25 lbs
• ECS Exhaust (Non-Resonated): 23 lbs

Key Design Features

• Single muffler, dual center-exit design
• 2.5" / 63.5mm stainless tubing throughout
• Turbo-style straight-through muffler (2.5" in / 2.5" out)
• Fabricated sheet metal mounting brackets
• Stainless Accuseal clamps included
• All required hardware included

Installation & Support:

Installing your ECS cat-back is straightforward, simply unbolt the factory unit, position the new system, and assemble. -Click Here For Installation Instructions-

• Step-by-step instructions are available Here: 
• Recommended tool: Exhaust Hanger Removal Pliers (T#:379176) for easier disassembly.

More than just an exhaust, this is a performance-driven upgrade that enhances your MINI’s sound, style, and response. Lightweight, precision-built, and backed by our in-house R&D, the ECS cat-back delivers a soundtrack that adapts to your driving mood — from comfortable cruising to spirited acceleration.

Unleash your MINI’s full personality with a cat-back system that looks as good as it performs.

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Lifetime Replacement

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