Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes
  • Load image into Gallery viewer, Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes

Stone Exhaust BMW 3 & 4 Series B48 (F30 F31 F32 F33 F36) Valved OEM-Integrated Cat-Back Exhaust | 330i 430i 420i 330e | Twin or Quad Tailpipes

Regular price
£2,396.16
Sale price
£2,396.16
Regular price
£2,995.20
Sold out
Unit price
per 
Tax included. Shipping calculated at checkout.

Stone Exhaust BMW B48 F30 F31 F32 F33 F36 OEM Integrated Valved Cat-back Exhaust System for 330i 430i

Upgrade your BMW 3 Series and 4 Series B48 with a precision engineered cat-back exhaust that delivers sound, quality and performance. The Stone Exhaust OEM Integrated Valved Cat-back Exhaust System is designed specifically for BMW F30 LCI 330i, F31 LCI 330i, F32 430i, F33 430i, F36 430i and compatible 330e and 420i models. Developed from 3D scanned OEM data for perfect fitment, dyno developed for real-world gains and tuned for a deep, sporty tone with zero cabin drone. If you are searching for BMW 330i exhaust, BMW 430i exhaust, BMW F30 cat-back, BMW F32 catback, BMW B48 valved exhaust or BMW 3 Series 4 Series exhaust upgrade in the UK, this is the system you want.

Why choose Stone Exhaust for your BMW 330i 430i B48

  • Direct bolt-on OEM fitment using advanced 3D scanning and reverse engineering
  • OEM integrated valve control so the ECU opens and closes the valve automatically
  • Valved cat-back sound with refined tone at cruise and an aggressive note under load
  • Eliminates the common drone found on the standard exhaust system
  • In-house dyno developed for improved flow and response
  • One piece design, precision mechanical welding and exceptional build quality
  • Developed with 7 axis CNC bending for accuracy and smooth exhaust flow

We have fitted these Stone Exhaust systems on customer cars and the feedback on fitment, finish, drivability and sound has been excellent. If you are shopping for a BMW F30 330i exhaust, BMW F31 Touring 330i exhaust, BMW F32 430i cat-back, BMW F33 430i convertible exhaust, BMW F36 430i Gran Coupe exhaust or BMW B48 valved exhaust in the UK, this is a proven choice.

Valve control options

  • OEM Integrated Valve function included. The vehicle ECU controls valve operation as standard.
  • Optional Stone Valvetronic System available to add. Single Valve setup with remote control via the Stone controller and plug and play OBDII controller.

Configurations and part numbers

  • AP512B48 Dual Exit with Twin Tailpipes
  • AP512QB48 Dual Exit with Quad Tailpipes

Key features

  • STONE Valvetronic BMW B48 F30 F31 F32 F33 F36 330i 430i Exhaust System
  • OEM integration for factory-style valve behaviour
  • Optional Stone Valvetronic System upgrade for remote valve control
  • Plug and Play OBDII controller for the Valvetronic add-on
  • One piece design for strength and reliability
  • Mechanical welding with precision and consistency
  • In-house research and development
  • 3D scanning and reverse engineering
  • Dyno developed in-house
  • Eliminates drone found on the standard exhaust system

Compatibility BMW B48 engine

BMW 3 Series

  • F30 LCI and F31 LCI 330i and 330i xDrive 2014 to 2018
  • F30 LCI and F31 LCI 330e 2014 to 2018

BMW 4 Series

  • F32 420i and 420i xDrive 2015+
  • F32 LCI 420i and 420i xDrive 2016+
  • F33 420i and 420i xDrive 2015+
  • F33 LCI 420i and 420i xDrive 2016+
  • F36 420i and 420i xDrive 2015+
  • F36 LCI 420i and 420i xDrive 2016+
  • F32 F33 F36 430i and 430i xDrive

R and D and manufacturing

Stone Exhaust engineers 3D scan OEM systems to map pipe routes, diameters and bend angles. Using simulation of gas flow, temperature and pressure, they iterate designs to optimise flow and tone. With a 7 axis CNC bending process achieving exceptional roundness and accuracy, plus crisscross and overlapping welding techniques and direct spot welding, the result is strength, precision and long-term reliability.

Sound and video

Hear the Stone Exhaust BMW B48 system in action below.

Fitting and support

Professional installation available at Nforcd in Warwickshire. For a fitting quote or advice, email Sales@nforcd.com. UK shipping available.

Warranty

Stone Exhaust 2 year warranty.

Popular search terms

BMW 330i exhaust, BMW 430i exhaust, BMW 330i catback, BMW 430i catback, BMW F30 exhaust upgrade, BMW F32 exhaust upgrade, BMW 3 Series cat-back, BMW 4 Series cat-back, BMW B48 valved exhaust, BMW F30 valved exhaust, BMW F32 valved exhaust, BMW 330e exhaust, BMW 420i exhaust, quad exhaust for BMW 430i, twin exit exhaust for BMW 330i, UK BMW exhaust specialist.