Does the Signature Rear Exhaust for F10 fit with the M Sport diffuser?

Yes. Active Autowerke states that the Signature Rear Exhaust for F10 BMW 550i fits with the BMW M Sport rear diffuser, and the tips adjust for position behind it. For a 550i with a different rear bumper, confirm fitment with Bulletproof Automotive before ordering, with the VIN to hand.

How much power does the 550i exhaust add?

Active Autowerke measured a gain of more than 7 wheel horsepower over the stock configuration on its in-house Mustang chassis dyno, with power and torque improved through the rev range. Most owners choose it for the sound and the weight saving, with the gain as a bonus.

How much lighter is it than the factory exhaust?

Active Autowerke puts the difference at 10 lb compared with the factory 550i rear exhaust. The saving comes from a polished 304 stainless rear section, and because it sits at the very back of the car, it is weight taken from behind the rear axle line.

What does the exhaust sound like?

The muffler produces a tone that Active Autowerke describes as much more assertive than the stock system while remaining refined. It aims to add character to the twin-turbo V8 without becoming tiring on long drives, which suits a luxury sedan that still covers daily miles.

Can I add downpipes to this exhaust later?

Yes. Active Autowerke offers catted downpipes for the N63 550i in AFlow and GESI versions, and its own dyno video shows the F10 550i with downpipes and exhaust fitted together. The rear exhaust works on its own, and the downpipes can follow at any time.

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Description

Active Autowerke Signature Rear Exhaust for F10 BMW 550i

Active Autowerke’s Signature Rear Exhaust for F10 BMW 550i gives the twin-turbo V8 sedan a firmer, more purposeful note through four 90mm double-walled tips, while keeping the refinement a 5 Series owner expects at a cruise. The whole rear section is polished 304 stainless with larger-diameter mandrel-bent piping, and it weighs 10 lb less than the BMW part it replaces. On the in-house Mustang chassis dyno Active Autowerke recorded more than 7 wheel horsepower over stock. That is a modest number on a 4.4 liter N63, so buyers should treat this as a sound and weight upgrade first; owners wanting larger gains can add the AFlow Catted Downpipes for S63 / N63.

Design and Performance

Active Autowerke shaped the system to work with the BMW M Sport rear diffuser, and the tips adjust for position. Each tip is double-walled and embossed with the company logo. The muffler gives a sound noticeably more assertive than the factory exhaust while staying refined, a balance that suits a large V8 sedan used every day.

Features

Polished 304 stainless steel throughout
Larger-diameter mandrel-bent piping for improved flow
Four double-walled 90mm Signature tips with an embossed Active Autowerke logo
Adjustable tip position
Gain of 7+ wheel horsepower measured on the Active Autowerke Mustang dyno
Lightweight: 10 lb less than the factory rear exhaust
Illustrated instruction manual and two-year warranty

Applications

BMW 550i: F10 | 2011-2016 | 4.4L N63

Notes

Active Autowerke designed the Signature Rear Exhaust for F10 550i around the BMW M Sport rear diffuser
The F10 M5 is not covered by this listing
Pairs with the AFlow Catted Downpipes for S63 / N63 or the GESI Catted Downpipes for S63 / N63 for a fuller N63 system

Frequently Asked Questions

Does the Signature Rear Exhaust for F10 fit with the M Sport diffuser? Yes. Active Autowerke states that the Signature Rear Exhaust for F10 BMW 550i fits with the BMW M Sport rear diffuser, and the tips adjust for position behind it. For a 550i with a different rear bumper, confirm fitment with Bulletproof Automotive before ordering, with the VIN to hand.
How much power does the 550i exhaust add? Active Autowerke measured a gain of more than 7 wheel horsepower over the stock configuration on its in-house Mustang chassis dyno, with power and torque improved through the rev range. Most owners choose it for the sound and the weight saving, with the gain as a bonus.
How much lighter is it than the factory exhaust? Active Autowerke puts the difference at 10 lb compared with the factory 550i rear exhaust. The saving comes from a polished 304 stainless rear section, and because it sits at the very back of the car, it is weight taken from behind the rear axle line.
What does the exhaust sound like? The muffler produces a tone that Active Autowerke describes as much more assertive than the stock system while remaining refined. It aims to add character to the twin-turbo V8 without becoming tiring on long drives, which suits a luxury sedan that still covers daily miles.
Can I add downpipes to this exhaust later? Yes. Active Autowerke offers catted downpipes for the N63 550i in AFlow and GESI versions, and its own dyno video shows the F10 550i with downpipes and exhaust fitted together. The rear exhaust works on its own, and the downpipes can follow at any time.

About Active Autowerke

Active Autowerke was founded in Miami, Florida in 1981 by brothers Mike and Karl Hugh as a BMW service shop, and turned to performance in late 1995 when Karl, a University of Miami engineering graduate, led its first M3 and 325i turbo kits. Supercharger kits for the E36, E46 and E9X followed, and its Signature Equal Length mid-pipe is protected by US Patent 11248511 and European and UK Patent 3882441.

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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Active Autowerke Signature Rear Exhaust for F10 BMW 550i [11-031]

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Active Autowerke Signature Rear Exhaust for F10 BMW 550i

Design and Performance

Features

Applications

Notes

Frequently Asked Questions

About Active Autowerke

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