F90 M5 M8 MaxFlow Race Secondary Downpipes
IRL MaxFlow Race Downpipes for BMW F90 M5 & M8
Unleash the full performance of your BMW F90 M5 and M8 with the IRL MaxFlow Race Downpipes, engineered to maximize exhaust flow, improve turbocharger efficiency, and deliver the aggressive sound the S63 twin-turbo V8 deserves. By significantly reducing exhaust backpressure, the IRL MaxFlow Race Downpipes provide faster turbo spool, sharper throttle response, and increased horsepower and torque throughout the powerband.
Manufactured from premium 304 stainless steel, each downpipe features precision TIG welds, smooth mandrel bends, and CNC-machined flanges to ensure exceptional durability, leak-free performance, and OEM-quality fitment. Designed as a direct bolt-on replacement for the factory downpipes, installation requires no permanent modifications.
The IRL MaxFlow Race Downpipes transform both the performance and character of the F90 M5 and M8, producing a deeper, more aggressive exhaust note while allowing the S63 engine to breathe as intended. Whether you’re running a factory tune or a high-performance calibration, these downpipes provide the airflow needed to support substantially higher power levels.
Features:
- Designed specifically for the BMW F90 M5 & M8 (S63 Twin-Turbo V8)
- High-flow race design for maximum exhaust performance
- Premium 304 stainless steel construction
- Precision TIG-welded with mandrel-bent tubing
- CNC-machined flanges for an OEM-quality seal
- Reduced exhaust backpressure for improved turbo efficiency
- Faster turbo spool and enhanced throttle response
- Increased horsepower and torque potential
- Aggressive, refined exhaust tone
- Direct bolt-on installation with OEM-style fitment
- Built for high-performance street and off-road competition applications
Maximum Flow. Maximum Performance. No Compromises. The IRL MaxFlow Race Downpipes are engineered for enthusiasts looking to unlock every bit of performance from the BMW F90 M5 and M8.
These products are for decoration purposes only and are intended to be mounted on a wall. It is NOT designed or intended to be used in any way that may violate any laws. IRL LLC will not be responsible for the use of Merchandise.
(Illinois Racing & Limited Use Disclaimer)
Our products are restricted for use on and limited to "Legal In Illinois Only For Racing Vehicles Which May Never Be Used, Or Registered or Licensed For Use, Upon A Highway, misuse must be reported."
It is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with it’s labeling.
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F90 M5 M8 MaxFlow Race Secondary Downpipes
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.