High-Flow Heat Shielded Catless Downpipe (BMW N20)

RPM Tuning 304 Stainless Steel High-Flow Heat Shielded Catless Downpipe – BMW (F10 & F30)

Unleash Pure Performance with Precision Craftsmanship.

Transform your BMW’s performance and let the N20 engine breathe like it was meant to. The RPM Tuning 304 Stainless Steel High-Flow Heat Shielded Catless Downpipe is designed for enthusiasts who demand more - more power, more response, and more durability - without compromise.

Sizing:

3.5 Inch Turbo Side
2.5 Inch Exhaust Side

✅ Premium Build Quality & Materials

• Top Quality 304 Stainless Steel

• Exceptional strength and corrosion resistance

• Built to handle extreme exhaust temperatures and harsh driving conditions without fatigue or cracking

✅ Precision TIG Welding

• Every downpipe is TIG-welded by experienced craftsmen

• Immaculate welds and smooth internal transitions for optimal flow

• Maximized durability with no weak points under high thermal load

✅ Perfect OEM Fitment

• Direct bolt-on replacement for the factory N20 downpipe

• Compatible with both stock and aftermarket exhaust systems for seamless integration

✅ High-Flow Catless Performance

• Eliminates the restrictive factory catalytic converter for significantly better exhaust flow

• Reduces backpressure, enabling faster turbo spool and improved throttle response

• Supports higher boost levels and advanced ECU tunes

• Delivers substantial horsepower and torque gains Stage 2 setups

✅ Integrated Heat Shield – Advanced Thermal Management
Heat control is critical for maintaining performance and reliability in turbocharged engines. Our integrated thermal shield provides:

• Containment of extreme exhaust heat, preventing engine bay heat soak

• Protection for sensitive components such as wiring, sensors, and intake systems

• Lower Exhaust Gas Temperatures (EGTs), preserving turbocharger and engine health during aggressive driving or track use

• Consistent performance even under prolonged high-load conditions

Without proper heat shielding, heat soak can rob your BMW of power and long-term reliability. This is why our design keeps you running cooler, stronger, and longer.

✅ Aggressive Exhaust Note

• Deep, sporty tone that amplifies the N20’s character

• Enhanced presence without unwanted cabin drone

✅ Lifetime Warranty for Peace of Mind
At RPM Tuning, quality isn’t optional - it’s guaranteed. All our downpipes are backed by a Lifetime Warranty, ensuring you invest in performance that lasts.

✅ Compatibility For Following BMW N20 Models:

1 Series F20 116i, 118i, 125i (2011-2019)
2 Series F22 220i, 228i (2013-2021)
3 Series F30/F31/F34 320i, 328i (2012-2019)
4 Series F32/F33/F36 420i, 428i (2013-2020)
5 Series F10 Sedan 520i, 528i (03/2012-10/2016)
X1 E84 sDrive20i, xDrive20i, xDrive28i (2011-2015)
X1 F48 sDrive20i, xDrive20i (2015-2019)
X3 F25 xDrive20i, xDrive28i (2011-2017)
Z4 E89 sDrive20i, sDrive28i (2011-2016)