Toyota Downpipes – Catted & Decat Performance Exhaust Upgrades
( number of products: 21 )Upgrade your Toyota with premium performance downpipes. Choose between catted and decat options to boost power, improve turbo spool and enhance exhaust tone.

Downpipe Toyota Supra Mk5 A90

Downpipe Toyota Supra Mk5 A90 with catalytic converter EURO 6 200 CPSI

Downpipe Toyota Supra Mk5 A90 with catalytic converter OBD 200 CPSI

Downpipe Toyota Yaris GR 1.6

Downpipe Toyota Yaris GR 1.6 OBD 200 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 2 100 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 2 200 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 3 100 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 3 200 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 4 100 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 4 200 CPSI

Downpipe Toyota Yaris GR 1.6 with catalytic converter EURO 6

Downpipe Toyota Yaris GR 1.6 with catalytic converter MS 100 CPSI

Downpipe Toyota Yaris GR 1.6 with muffler

Downpipe Toyota Supra A90 B58 3.0T 4.5" 20+

Downpipe Toyota Supra A90 B58 3.0T 4.5" 20+

Over-Pipe Toyota GT86 2.0 litre 2012 - 2021 Milltek Sport
Toyota Downpipes – Unlock Your Engine’s True Potential
Toyota vehicles are known for their reliability, efficiency, and performance, but the stock downpipes are designed to meet strict emissions and noise regulations, which limits their true potential. Upgrading to high-performance Toyota downpipes is one of the most effective ways to increase horsepower, improve turbo response, and achieve a sportier exhaust sound.
Why Upgrade to Performance Downpipes?
Whether you drive a turbocharged sports car, a GR performance model, or a tuned Toyota diesel, replacing the restrictive OEM downpipes with high-flow downpipes brings multiple benefits:
- Significant horsepower and torque gains – optimized exhaust flow reduces backpressure, allowing the engine to breathe freely.
- Faster turbo spool – enjoy sharper throttle response and minimized turbo lag.
- Enhanced exhaust sound – catted downpipes deliver a sporty yet refined tone, while decat downpipes unleash an aggressive, motorsport-inspired roar.
- Lower exhaust gas temperatures – better heat dissipation protects critical components during spirited driving.
- Perfect for ECU tuning – essential for Stage 1, Stage 2, and hybrid turbo upgrades.
Catted vs. Decat Toyota Downpipes
Catted Downpipes
Catted downpipes integrate high-flow sports catalytic converters that improve exhaust flow while maintaining emissions compliance. Ideal for daily-driven vehicles in regions where emissions testing applies.
Decat Downpipes
Decat downpipes completely remove catalytic converters for maximum exhaust flow and peak performance. Best suited for track-focused builds and regions without emissions restrictions.
Material Options: Stainless Steel & Titanium
Our Toyota performance downpipes are built from premium materials for durability, heat resistance, and optimal performance:
- Stainless steel downpipes – corrosion-resistant, strong, and cost-effective for most setups.
- Titanium downpipes – ultra-lightweight, superior heat management, and motorsport-grade aesthetics.
Toyota Model Compatibility
We offer performance downpipes for a wide range of Toyota vehicles, including both petrol and diesel engines:
- Toyota Supra A90 / A91 Downpipes – for the 3.0L turbocharged inline-six, delivering huge gains with Stage 2 tuning.
- Toyota GR Yaris Downpipes – engineered for the 1.6L G16E turbo engine, enhancing power and turbo response.
- Toyota GR Corolla Downpipes – optimized for the 1.6L G16E turbocharged setup, ideal for high-boost applications.
- Toyota GT86 / GR86 Downpipes – improve exhaust tone and flow for naturally aspirated and turbo builds.
- Toyota Hilux Downpipes – designed for 2.8L and 2.4L diesel engines, boosting torque and efficiency.
- Toyota Land Cruiser Downpipes – heavy-duty designs for off-road-ready V8 and diesel platforms.
Performance Gains with Toyota Downpipes
Upgrading to performance downpipes delivers impressive improvements across Toyota’s lineup:
- +20–40 HP for naturally aspirated builds when paired with supporting mods.
- +50–90 HP for turbocharged models like the Supra, GR Yaris, and GR Corolla.
- +30–60 Nm torque for diesel applications like Hilux and Land Cruiser.
- Sharper throttle response and reduced turbo lag.
Choosing the Right Diameter
Selecting the correct pipe diameter ensures maximum performance without compromising drivability:
- 2.5-inch downpipes – ideal for Stage 1 tuning and mild performance setups.
- 3-inch downpipes – recommended for Stage 2 builds, hybrid turbos, and high-boost applications.
- 3.5-inch downpipes – for extreme power builds requiring unrestricted flow.
All our Toyota downpipes are designed for direct bolt-on installation with OEM-style flanges and fittings.
Build Quality & Engineering
Each performance downpipe is precision-engineered to deliver strength, fitment accuracy, and peak efficiency:
- Mandrel-bent tubing for smooth, unrestricted flow.
- Precision TIG welding ensures maximum durability and leak-free operation.
- High-grade stainless steel or titanium construction.
- OEM-style brackets and mounting points for seamless integration.
Tuning Potential
Pairing Toyota downpipes with ECU tuning unlocks their full potential:
- Massive horsepower and torque gains on turbocharged setups.
- Optimized boost control and fueling strategies.
- Smoother power delivery and sharper throttle response.
- Custom exhaust sound profiles depending on catted or decat configurations.
Daily Driving vs Track Builds
For street-driven Toyotas, catted downpipes deliver balanced performance and compliance. For high-performance builds, decat downpipes maximize flow, produce a louder exhaust tone, and support aggressive tuning stages.
Conclusion
Upgrading your Toyota with performance downpipes is the key to unlocking hidden power, improving turbo efficiency, and achieving an enhanced exhaust sound. Whether you select catted downpipes for refined street performance or decat downpipes for maximum track potential, our range of Toyota downpipes ensures premium build quality, precise fitment, and proven results.



