The Manthey Kit Delivers—Can You Handle It?

+30% Front Downforce. +45% Rear Downforce. Zero Guesswork.

When you buy a Manthey kit for sale, you're buying "Form follows function" taken to its logical extreme. Every surface has been refined in Porsche's high-performance wind tunnel.

The larger front spoiler with optimized geometry works with characteristic flaps and underbody air control elements to increase front axle downforce by approximately 30%. At the rear, a flow-optimized diffuser with longer fins pairs with a visible carbon wing featuring offset vanes and enlarged side panels—delivering roughly 45% more output at the rear axle.

Carbon aerodiscs on the rear wheels cut turbulence. Decorative filming matches your exterior or rim color. The result isn't just more grip—it's controllable, predictable grip that lets you push deeper into corners with confidence.

This is what happens when function dictates form, and form becomes beautiful.

The Secret Weapon Underneath Your Porsche

Real motorsport enthusiasts know: what you can't see often matters most.

When you invest in your Manthey kit, you're getting the most efficient underbody engineering to ever carry the Manthey label.

150cm turning vanes run the length of the underbody, generating downforce that's neutral across all driving conditions. Every surface has been smoothed, every contour optimized to feed these vanes perfect airflow. The result is constant downforce whether you're trail-braking into a hairpin or flat-out through a kink.

Porsche and Manthey didn't just bolt on parts. They reimagined what a GT3 underbody could be—using development DNA from the record-breaking 911 GT3 RS (Type 992.1) Manthey Kit.

You won't see it from the driver's seat. But you'll feel it in every high-speed transition.

Suspension That Adapts to the Track

—and to Your Driving Style

The Porsche Manthey kit for sale includes a threaded chassis setup developed across complex race track and vehicle dynamics tests. Available with or without front axle lift, it leaves nothing on the table.

Fully aluminum 4-way damping force-adjustable spring struts allow ultra-precise adaptation. Compression and rebound at low and high speeds—adjusted without tools, tailored to track conditions and your preferences. Spring rates shift +10% front, -7% rear, optimizing the handling balance that makes the GT3 legendary.

Performance. Drivability. Comfort. Usually, you pick two. Manthey engineers refused to compromise on any.

Shrink the Gap 

Between Braking Point and Apex

The meters between your braking point and the corner apex? That's where races are won. The Porsche Manthey kit for sale attacks that zone with brake components developed for the relentless demands of trackday use.

Stainless steel-sleeved brake lines eliminate compliance. The pedal response is immediate, the feedback honest. For PCCB-equipped cars, optional racing pads deliver consistent friction across temperature ranges, improved fade resistance, and modulation that lets you threshold brake with confidence.

Low disc attack means your rotors survive the season. High performance means you survive the braking zone faster than ever.

Details That Announce This Isn't a Standard GT3

The Porsche Manthey kit for sale transforms your presence. Illuminated carbon door entry guards in matte finish glow with red and white Manthey logos. LED door projectors cast white illuminated emblems onto the pavement.

Two red towing loops for track use—front and rear, removable for street legality. Optional door graphics in white or black complete the statement.

This isn't vanity. It's visual proof that your GT3 has been touched by the same engineers who dominate endurance racing. It's a warning to others in the paddock. And a reminder to you every time you approach the driver's seat.

The Wheel Upgrade

16.1 lbs Lighter. Noticeably Quicker. Your Choice of Finish.

Rotating mass is the enemy of response. The optional Manthey kit for sale lightweight wheel set technologically optimizes the standard design, cutting 7.3 kg of springless and rotating mass per vehicle set.

The benefit? Sharper spring/damper response. Improved vehicle controllability. And the knowledge that you've removed weight where it matters most.

Available in Brilliant Silver, Satin-Gloss Black, Dark Silver, or Neodymium. Compatible with standard 20/21-inch GT3 wheel sets. Recommended tire: Michelin Sport Cup 2 R for maximum grip.

The GT3 Manthey Kit Now For Sale At Champion

You searched for a Porsche Manthey kit for sale because you refuse to leave performance on the table. Champion Porsche is your Manthey-Certified installation center—factory-trained technicians, genuine components, warranty intact.

Availability is limited. Installation slots fill fast. And track season waits for no one.