- Material: Exhaust systems are built of stainless steel, titanium, or carbon fiber. Each material has pros and cons in durability, weight, and cost. Titanium and carbon fiber are lighter and more expensive than stainless steel, which is preferred due to its cost and durability.
- Performance: An exhaust system that improves airflow, backpressure, and horsepower and torque may boost your Ford Focus's performance. Performance exhaust systems optimize exhaust gas flow using bigger pipes, high-flow catalytic converters, and performance mufflers.
- Sound: Exhaust system tone and volume are personal choices. Some exhaust systems make a harsher, louder sound, while others are more polished. Choose an exhaust system based on personal liking and local noise laws.
- Brand and reputation: The Ford Focus RS/ST has various aftermarket exhaust system brands, therefore it's crucial to choose a reputable, high-performance brand. Look for Focus RS/ST owner reviews and brands with a track record.
- Budget: Exhaust systems range from affordable to luxury. Determine your budget and choose an exhaust system that meets your performance and sound needs.
Popularity and reputation vary among Ford Focus exhaust system manufacturers. High-ratedd Focus exhaust system manufacturers include:
- Mountune: Mountune enhances Ford automobiles, notably the Focus RS. They offer high-quality, precision-engineered exhaust systems to improve performance and acoustics.
- Borla: Borla makes high-performance exhaust systems. For the Ford Focus RS/ST, they provide stainless steel cat-back and axle-back systems with novel designs for increased performance and sound.
- Milltek Sport: Well-known Milltek Sport makes exhaust systems for performance automobiles like the Ford Focus RS/ST. Their exhaust systems provide high-quality materials, accurate installation, and performance benefits, with sound levels to suit individual preferences.
- MBRP: Another famous Ford Focus RS exhaust brand is MBRP. They are noted for their stainless steel construction, durability, performance advancements, and sound level and configuration possibilities.
- Cobb Tuning: Cobb Tuning is a trusted company that sells Ford Focus RS/ST performance improvements, including exhaust systems. Different materials and layouts improve performance and loudness in their exhaust systems.
- Remus: The Ford Focus RS's exhaust system is made by Remus, a reputable manufacturer. Different sound levels and performance upgrades are available in stainless steel or titanium.
Note that exhaust system preferences and style vary and should be chosen based on what you want. Research and read Focus RS/ST owner reviews for honest insights about each exhaust model.