
BMW M8 Competition Decat Downpipes 3 inch F91 F92 F93 – SS304 Stainless, TIG Welded, Track-Ready Performance
Transform the way your BMW M8 Competition drives and sounds with our 3 inch BMW M8 decat downpipes for F91 F92 F93 (2018 onwards). Precision machined from SS304 aircraft-grade stainless steel and expertly TIG welded, these catless downpipes are built for high performance, durability and maximum flow. Expect faster turbo spool, a sharper throttle response, stronger midrange and a serious increase in power potential when tuned.
These BMW M8 Competition decat downpipes deliver the aggressive exhaust note enthusiasts want. Customers report crackles and bangs on spirited driving, yet a refined tone on the motorway. We run these downpipes ourselves and the feedback from Nforcd customers has been outstanding.
Key features
- SS304 aircraft-grade stainless steel construction with in-house TIG welding for strength and longevity
- True 3 inch 76 mm mandrel-bent tubing straight from the turbo for maximum flow and reduced backpressure
- Faster turbo spool and sharper throttle response for a more engaging drive
- Noticeable power gains on standard hardware and huge potential with a stage 2 map
- Lower exhaust gas temperatures and improved cylinder charge for reliable performance
- Substantial weight saving versus factory catalytic converters
- Brushed stainless finish for a clean, premium look
- Uses the factory V-band clamp at the turbo and connects to the mid-section for an easy bolt-on install
Real-world results
We have tested these BMW M8 downpipes and seen increases of around 40 to 50 bhp on test vehicles. With a suitable stage 2 map, supporting hardware and calibration, these decat downpipes have the capability to support gains in the region of 150 to 180 bhp.
Fitment
- BMW M8 Competition F91 Convertible 2018 onwards
- BMW M8 Competition F92 Coupe 2018 onwards
- BMW M8 Competition F93 Gran Coupe 2018 onwards
Installation and tuning notes
- Direct-fit using the standard V-band clamp at the turbo and connection to the centre section
- Professional installation recommended. Tolerances vary between exhaust systems and access can be tight
- If your vehicle has a PPF or OPF, this will need to be coded out by your tuner to prevent fault codes
- We recommend adding Lambda or O2 sensor spacers to help reduce the chance of a check engine light
- For best results pair with an appropriate remap or stage 2 calibration
Fitting service
Want it fitted by specialists who know these cars inside out? Choose Nforcd in Warwickshire for professional installation and advice. Request a fitting quote at Sales@nforcd.com.
Warranty
This product comes with a lifetime warranty.
Compliance
Decat downpipes are intended for off-road or track use only. Not road legal where emissions regulations apply. Always consult your tuner regarding mapping, OPF or PPF coding and emissions compliance.
Why choose these BMW M8 Competition decat downpipes
- BMW M8 Competition F91 F92 F93 catless downpipes engineered for flow and reliability
- 3 inch 76 mm SS304 stainless, TIG welded, mandrel bent for optimal gas velocity
- Aggressive exhaust note, faster spool, reduced backpressure, stronger midrange torque
- Proven gains on our test cars with excellent feedback from Nforcd customers
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