How to Install Downpipes for Your BMW G80 M3, G82 M4, G87 M2?

The BMW G80 M3, G82 M4 and G87 M2 are their latest addition to the family of supercars. They are powered by the twin-turbocharged S58 inline-six engine. Undoubtedly, an inline-six engine that was built to be tuned, and with the right parts, offers rev-matching throttle response. For anyone looking to get the most from the G80 platform, changing the factory downpipes is arguably the most sensible first step.

Changing performance downpipes can lower back pressure on the exhaust, leading to more power from the turbo. Not just that, when combined with tuning, the performance gain in power and torque is increased even more. Besides, Palenon Performance downpipes are designed specifically to survive under extreme driving while delivering maximum gains at the same time. With a bit of time, doing the downpipes with your own hands can potentially be a very satisfying DIY endeavor.

Why Upgrade Your G80 M3, G82 M4, G87 M2 Performance Downpipes?

Due to the concern of noise and emissions compliance, your G8X M2, M3 or M4 comes fitted with stock downpipes. Switching to high-performance downpipes will give you the benefits of:

• Improved Horsepower and Torque Gains: Your engine is able to undertake a lot more work because of the unrestricted airflow, resulting in better performance. This is because of the reduced strain on exhaust gases (backpressure) being emitted from the engine.
• Turbo Spool Improvement: The two turbo systems on your vehicle face less resistance, making it way easier to hit boost thresholds. This provides faster throttle response along with sharper acceleration.
• Aggressive Exhaust Note: An enhanced performance downpipe will increase tampered engine noise to become much deeper and aggressive, marking the raw ferocity of the S58 engine.
• Better Tuning: Stage 1 or Stage 2 ECU tunes have a greater impact when used alongside high-performance downpipes.

Palenon Performance downpipes are made from top-notch stainless steel and come with durable and long-term assured TIG-welded connections.

Tools and Equipment You’ll Need

Before you jump into the installation process, there are some tools you need to line up. It will make the installation smooth and easy.

• Full socket set with extensions
• Jack stands or a professional lift
• O2 sensor socket (specifically designed to avoid wire damage)
• Torque wrench (for correct tightening specs)
• Penetrating oil (like PB Blaster)
• Gloves and safety glasses (for protection)

Are you done sorting out everything in the list? Then let’s start the installation process right away.

Step-by-Step Installation Guide

Now, it is time to install the aftermarket downpipe you got. Follow the given step-by-step guide for Palenon Performance downpipe installations for both your G Chassis M2, M3 and M4 models.

Step 1: Get Ready for Vehicle Work

• Make sure the car is on a level surface and switch off the engine as you wait for the car to cool down. Never work on a hot turbo setup; do yourself a favor.
• Put the car on a jack and jack stands or, even better, a car lift, so that you can work on it from underneath. 

Step 2: Take off the Undertray and the Heat Shields 

• Grab the socket set and go ahead and take off the bolts holding the undertray.
• Remove the shield and put aside any additional trim pieces, along with keeping the hooks and pins in close proximity so that you can use them later.

Step 3: Remove the O2 Sensors  

• Make sure that you label all your O2 sensors so that during reinstall, you can tell which goes upstream and which goes downstream.  
• Using your O2 sensor socket, unscrew and take out all O2 sensors, making sure to put them in a secure, out-of-the-way place.

Step 4: Eliminate the Factory Downpipes

• Identify the V-band clamps that hold the downpipes in place. With your socket and extension, loosen the clamps.
• Disconnect the remaining mounting brackets that attach the downpipes to the chassis.
• If bolts are stuck or rusty, use penetrating oil and allow some time for it to work its magic.

Step 5: Take Off the Stock Downpipes with Caution

• With all other components disconnected, wiggle the stock downpipes to remove them. Take note, they might be fitted tightly, so be gentle.
• Use caution to ensure that you do not affect the nearby components or wiring paths while taking them out.

Step 6: Put the Primary Palenon Performance Downpipes into Place

• Start by placing the Palenon downpipes to the turbo outlets and properly aligning them.
• Using OEM, and upgraded V-band clamps, secure them and torque to manufacturer specification set screw to O2 sensors. 
• Put back the O2 sensors to the initial positions and double-check that all cables are fitted properly and do not touch hot parts.

Step 7: Refit the Heat Shields and Undertray

• Follow the previous instructions in reverse order to replace all shield components and the undertray.
• Confirm that all bolts have been adequately ratcheted, and check that there are no loose or dangling components on the vehicle.

Post Installation Tips

After completing the installation, implement these additional tips to guarantee that other systems will operate as intended:

• Start the motor and let the engine run at idle. Check for any exhaust leaks around the V-band clamps.
• If you haven't done a tune yet, then you might see a check engine light (CEL). You can clear codes with an OBD-II scanner or load a tune designed to disable the CEL to prevent it from coming on if that is your choice.
• Re-torque the clamps and bolts after the first few heating cycles because materials tend to expand or contract.
• To get the most value, combine your downpipes with a Stage 2 tune from a reputable tuner.

Why Select Palenon Performance Downpipes for G80 M3, G82 M4?

With regard to the aftermarket, not all performance downpipes are equal to each other. Here is how Palenon differentiates from the others.

Massive Performance Gains: Experience up to 65 horsepower and 100 lb-ft of torque when paired with a proper tune. These downpipes help unlock the true potential of your BMW’s S58 engine, providing substantial power and throttle response improvements.

U.S.-Based Brand: Palenon is known worldwide and is trusted by multitudes of BMW fans for being a reliable aftermarket parts manufacturer.

Premium Construction: They are manufactured from T304 stainless steel, TIG welded, making them strong, heat-resistant, and durable.

Perfect Fitment: Palenon’s downpipes, just like other products, undergo extensive testing and prototyping to ensure simple installation on the G8X model.

Lifetime Warranty: Palenon Performance stands behind our products with a lifetime warranty, guaranteeing long-lasting performance and peace of mind.

Outstanding Support: Troubleshooters are quick to respond to queries, whether they arise before or after making the purchase.

Client Testimonials

Instead of relying on Palenon's marketing alone, check the testimonials of real users.

• “Perfect fit and killer sound. The install was straightforward thanks to Palenon’s precision bends and flanges.” said Jordan R.
• “Paired my G80 M3 with Palenon downpipes and Stage 2 tune—next-level performance!” said Amanda L.

Conclusion

If you want to make the most out of your G8X M3 or M4's S58 engine, enhancing the downpipes will do the trick. Palenon Performance downpipes offer everything that any BMW lover desires, from increased power and improved responsiveness of the turbo. You also get the satisfying bark of an aggressive exhaust.

With the right tools and a bit of time, installation can be done at home. Regardless of whether you are aiming for peak performance or an exhilarating driving experience, this modification is indeed priceless.

Ready to boost your G80 M3 and G82 M4’s performance? Browse our precision-engineered downpipes now at Palenon Performance.

FAQs

Do I need a tune after installing downpipes on my G Chassis M3/M4?

Yes, for optimal performance and to prevent check engine lights, we recommend at least a Stage 1 or Stage 2 tune.

Will this trigger a CEL?

Yes, if you’re running the stock ECU, removing the catalytic converters will likely trigger a CEL. A tune can code this out.

Are Palenon downpipes street legal?

These are designed for off-road or track use only and may not comply with emissions regulations in all areas. Check local laws before installing.

Can I install these in my garage?

Absolutely! With the right tools and safety precautions, this is a doable DIY install for most mechanically inclined enthusiasts.