Mini Coupe Downpipes – Catted & Decat Performance Exhaust Upgrades
( number of products: 4 )Upgrade your Mini Coupe with high-performance downpipes. Choose from catted or decat options in stainless steel or titanium to boost power, improve turbo spool and achieve a motorsport-inspired exhaust tone.

Downpipe MINI Cooper R55 R56 R57 LCI R58 R59 R60 R61 N18

Downpipe Mini Cooper S R56 R57 R58 R59 R60 with Catalytic Converter

Large-bore Downpipe and De-cat New Mini Mk2 ( R58 ) Cooper S Coupé 2011 - 2015 Milltek Sport
Mini Coupe Downpipes – Unlock Your Car’s True Potential
Mini Coupe performance downpipes are one of the most effective exhaust upgrades for turbocharged petrol engines. Whether you drive a Mini Coupe Cooper S, a high-performance Mini Coupe JCW, or a customized Stage 2+ build, upgrading from the restrictive factory downpipe to a high-flow Mini Coupe downpipe transforms your car’s power, throttle response and exhaust sound.
Why Upgrade to Performance Mini Coupe Downpipes?
The OEM downpipes fitted to the Mini Coupe are designed with emissions compliance and noise control in mind, but they significantly limit performance. A performance Mini Coupe downpipe offers several benefits:
- More horsepower & torque – improved exhaust flow boosts engine efficiency and acceleration.
- Faster turbo spool – reduce lag and sharpen throttle response.
- Enhanced exhaust sound – catted downpipes give a sporty yet refined tone, while decat downpipes unleash a raw, motorsport-inspired roar.
- Lower exhaust gas temperatures – better thermal efficiency improves reliability during spirited driving.
- Perfect for ECU tuning – essential for Stage 1, Stage 2 and hybrid turbo setups.
Types of Mini Coupe Downpipes
Our selection of Mini Coupe downpipes covers every tuning style and requirement:
Catted Mini Coupe Downpipes
Catted downpipes integrate a high-flow sports catalytic converter, increasing performance while maintaining emissions compliance. Ideal for street-driven Minis in regions with emissions testing.
Decat Mini Coupe Downpipes
Decat downpipes remove the catalytic converter completely, maximizing flow and delivering the highest performance potential. Best suited for track builds or areas without emissions restrictions.
Material Options: Stainless Steel & Titanium
Choose the right material for your build:
- Stainless steel downpipes – durable, corrosion-resistant and budget-friendly, perfect for daily-driven setups.
- Titanium downpipes – ultra-lightweight, heat-resistant and ideal for motorsport applications.
Mini Coupe Models Compatibility
Our Mini Coupe performance downpipes are engineered for a variety of Mini Coupe trims and engines:
- Mini Coupe Cooper S Downpipes – optimized for N14 and N18 turbocharged engines.
- Mini Coupe JCW Downpipes – designed for John Cooper Works high-performance variants.
- Mini Coupe All4 Downpipes – tailored to AWD configurations for maximum efficiency.
Performance Gains with Mini Coupe Downpipes
Installing a performance Mini Coupe downpipe provides immediate improvements:
- +15–30 HP with a downpipe upgrade alone.
- +35–65 HP when paired with Stage 2 ECU tuning.
- Stronger mid-range torque and improved top-end power.
- Reduced turbo lag and more responsive acceleration.
Choosing the Right Diameter
Select the correct pipe size based on your tuning goals:
- 2.5-inch downpipes – ideal for Stage 1 and mildly tuned setups.
- 3-inch downpipes – recommended for Stage 2, hybrid turbos and high-boost builds.
All Mini Coupe downpipes are designed for direct bolt-on installation, ensuring OEM-like fitment without cutting or welding.
Build Quality & Engineering
Our Mini Coupe performance downpipes are crafted to the highest motorsport standards:
- Mandrel-bent tubing for unrestricted exhaust flow.
- Precision TIG welding ensures strength and durability.
- OEM-style flanges for seamless integration.
- Available in high-grade stainless steel and lightweight titanium.
Perfect for Tuning & Motorsport
Mini Coupe downpipes are an essential upgrade for enthusiasts focused on tuning and motorsport performance:
- Support aggressive boost targets for Stage 2 and Stage 3 builds.
- Enhance turbocharger efficiency and throttle response.
- Deliver a motorsport-inspired exhaust tone with decat options.
- Compatible with ECU remaps, upgraded intercoolers and hybrid turbochargers.
Daily Driving vs Track Builds
For daily-driven Minis, catted downpipes offer the perfect balance of performance and emissions compliance. For track builds, decat downpipes provide maximum flow and a raw, aggressive exhaust tone.
Conclusion
Upgrading to Mini Coupe performance downpipes is one of the most effective modifications to unleash power, improve turbo response and transform exhaust sound. Whether you choose catted for refined street driving or decat for ultimate motorsport performance, our range ensures premium quality, seamless fitment and proven gains across all Mini Coupe models.
