Will the Fabspeed MaxFlo fit my 958 Cayenne Turbo or Turbo S?

Yes. It fits the 958.1 Cayenne Turbo from 2011 to 2014 and the Cayenne Turbo S from 2013 to 2014, both with the 4.8-liter twin-turbo V8. It replaces the factory muffler and rear section with minor cutting at the factory break point, and it does not fit the diesel models.

How much power does it add, and how does it sound?

It adds a measured 8 wheel horsepower and sharpens throttle response. On sound, it gives the twin-turbo V8 a throatier, deeper note across the rev range, with more presence under throttle and without the constant drone that cheaper systems tend to add at highway speed.

What is the Fabspeed MaxFlo Performance Exhaust made from?

The Fabspeed MaxFlo Performance Exhaust is built from 14-to-16-gauge T304L stainless steel, CNC mandrel-bent in-house for smooth flow and a durable finish. It is covered by Fabspeed's lifetime warranty, so it is made to last as long as you own the vehicle.

What tip options are available?

You choose the tip finish at checkout: polished stainless steel quad tips, satin black quad tips, or the option to reuse your factory tips for a stealth look. The price varies slightly depending on the finish you select.

It replaces the muffler and rear section and leaves the vehicle's factory emissions equipment in place, so it is a performance exhaust rather than an off-road part. Local sound and fitment rules still vary, so confirm the requirements where the vehicle is registered.

Do I need a tune to run it?

No. The MaxFlo delivers its gain as a bolt-on, with no tune required. If you want more, it pairs well with the Fabspeed XperTune software and the Fabspeed Secondary Race Pipes for the 958 Cayenne Turbo.

Description

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Description

Fabspeed MaxFlo Performance Exhaust for 958 Porsche Cayenne Turbo

Fabspeed MaxFlo Performance Exhaust for the 958 Porsche Cayenne Turbo gives the 4.8-liter twin-turbo V8 the deeper, more serious voice the factory system holds back. Fabspeed builds the MaxFlo in-house from CNC mandrel-bent T304L stainless steel, the same shop and dyno behind decades of Porsche exhaust work, and tunes it for a throatier note that stays composed at a cruise and opens up under throttle. On this vehicle it is worth a measured 8 wheel horsepower and sharper response, and it finishes with your choice of quad-style tips to match the look you want. Backed by Fabspeed’s lifetime warranty, it is a performance exhaust built to last as long as the vehicle.

Features

CNC mandrel-bent 14-to-16-gauge T304L stainless steel construction
Adds a measured 8 wheel horsepower and sharpens throttle response
Throatier, deeper exhaust note across the rev range
Quad-style tips in polished stainless or satin black, or reuse the factory tips
Replaces the factory muffler and rear section (minor cutting at the factory break point)
Backed by Fabspeed’s lifetime warranty
The Fabspeed MaxFlo Performance Exhaust works with the vehicle’s factory emissions equipment in place

Applications

Porsche Cayenne Turbo: 958 | 2011-2014 | 4.8L Twin-Turbo V8
Porsche Cayenne Turbo S: 958 | 2013-2014 | 4.8L Twin-Turbo V8

Notes

Fits the 958.1 Cayenne Turbo and Turbo S, 2011 to 2014, with the 4.8-liter twin-turbo V8 (excludes diesel)
Installs in place of the factory muffler and rear section; minor cutting is required at the factory break point
Choose your tip finish: polished stainless, satin black, or reuse the factory tips
Backed by Fabspeed’s lifetime warranty
Pairs with the Fabspeed XperTune performance software and the Fabspeed Secondary Race Pipes for the 958 Cayenne Turbo
Ships on backorder as a special-order item

Frequently Asked Questions

Will the Fabspeed MaxFlo fit my 958 Cayenne Turbo or Turbo S? Yes. It fits the 958.1 Cayenne Turbo from 2011 to 2014 and the Cayenne Turbo S from 2013 to 2014, both with the 4.8-liter twin-turbo V8. It replaces the factory muffler and rear section with minor cutting at the factory break point, and it does not fit the diesel models.
How much power does it add, and how does it sound? It adds a measured 8 wheel horsepower and sharpens throttle response. On sound, it gives the twin-turbo V8 a throatier, deeper note across the rev range, with more presence under throttle and without the constant drone that cheaper systems tend to add at highway speed.
What is the Fabspeed MaxFlo Performance Exhaust made from? The Fabspeed MaxFlo Performance Exhaust is built from 14-to-16-gauge T304L stainless steel, CNC mandrel-bent in-house for smooth flow and a durable finish. It is covered by Fabspeed’s lifetime warranty, so it is made to last as long as you own the vehicle.
What tip options are available? You choose the tip finish at checkout: polished stainless steel quad tips, satin black quad tips, or the option to reuse your factory tips for a stealth look. The price varies slightly depending on the finish you select.
Is it street legal? It replaces the muffler and rear section and leaves the vehicle’s factory emissions equipment in place, so it is a performance exhaust rather than an off-road part. Local sound and fitment rules still vary, so confirm the requirements where the vehicle is registered.
Do I need a tune to run it? No. The MaxFlo delivers its gain as a bolt-on, with no tune required. If you want more, it pairs well with the Fabspeed XperTune software and the Fabspeed Secondary Race Pipes for the 958 Cayenne Turbo.

About Fabspeed

Fabspeed Motorsport is a Pennsylvania-based performance manufacturer that has designed, built and dyno-tuned exhaust systems, performance hardware and ECU calibrations for European sports cars and SUVs since 1994. Its work is developed and tested in-house on its own dyno and backed by decades of motorsport and street experience, which is why enthusiasts and shops trust the Fabspeed name for real, measured gains.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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