Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle
Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle
Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle
Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle
Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle
Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle

Sport Exhaust System 987.1 Cayman/S - Brombacher Edition - 200 Cell HD - Dual 3.5"Tips - Under Axle

Reference No.: BES 987 C02 00SHD
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$ 7,764.18
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Description

This exhaust system offers uncompromising sound and performance for the street and includes heavy duty (HD) cats which can also be used on the track. It is truly is a best of both worlds design, conservative when cruising and a real motorsport dream under full load. Our entire “Brombacher” line of exhausts is manufactured by M&M Exhaust, GmbH in Germany. They manufacture a multitude of Porsche Motorsport, Porsche Race Exhausts and Porsche Street Exhausts. Each system is manufactured in the highest-grade German V2A - X5CrNi18-10 - 1.4301 (T-304 L) light weight stainless steel and is tested comprehensively for exhaust gas scavenging, velocity, thermal stress, cracking and longevity. M&M exhausts have competed in and won hundreds of 24-hour races over the years including Nürburgring, Le Mans, Dubai, Daytona to name a few. When you purchase this exhaust system, you are the benefactor of all that Porsche racing exhaust design experience. If you are looking for an exhaust product that can handle abuse at the track, or on the street look no further.

Features:
+20 Hp & + 19 Tq Gain
Reduced back pressure and thermal load on the motor
German V2A - X5CrNi18-10 - 1.4301 (T-304 L) light weight stainless steel
Long tube, equal length header primary tubing
200 cell HJS heavy duty “HD” triple foil sport catalytic converters
Weight savings over the stock system2 x 3.5"(90 mm) round tips
Motorsport merge collector
Minimal resonance / drone in the cabin compared to the competition
Enhanced Cup Car like motorsport sound
Aero Quip style motorsport exhaust connections
Head light leveling sensor relocating bracket included
ECU programming (software) is not necessary but is recommended

The long tube equal length headers start with a laser cut, stainless steel, dual plated primary flange which is more labor intensive to manufacture. M&M's race experience with thick, single plated flanges warping with age, heat and vibration lead to costly performance losses which prompted them to engineer a more reliable design. Their double plated flange allows for greater thermal expansion which dissipates heat more efficiently, which equates to greater reliability on the track or street (like the RSR headers shown in one of the pictures). Next, look at the hand ported primary inlets (see pictures), again, this is a more labor-intensive method, but hand porting means more laminar flow which equates to greater exhaust gas velocity and more performance. The inlets lead us to the long tube, equal length primary tubing whose diameter is selected and designed specifically for your engine's displacement. Each primary tube is mandrel bent, segmented and purge TIG welded by hand. For those thinking, why aren't the primaries a seamless length of tubing like some others in the industry? Segmenting strengthens the primaries and prevents stress cracks commonly found with the competition's headers. M&M back purge TIG welds each joint which reduces carbide precipitation and means seamless internal welds for more laminar flow and greater performance. This primary design method has been proven over years of time under the toughest endurance racing conditions. The primary tubing leads us to the custom made, purge TIG welded, internally blended merge collector that smoothly transitions into larger diameter hand ported outlet for greater scavenging effect. The merge collector incorporates a small spike (not a long pyramid spike which can warp with heat and age) at the center which helps to scavenge the flow from each adjacent pipe as the engine fires in sequence. But another key to the merge collector is the larger outlet diameter which increases exhaust gas velocity and broadens the engine's torque curve all the way to the horsepower peak. The collector outlet is connected to the catalytic converters via a round RSR style aero-quip clamps. Those connections are proven to keep the flow more laminar after it exits the collector and increases velocity and scavenging effect over the commonly found triangular style flanges used by the competition.

M&M moves the 200 cell HJS Heavy Duty (HD) Tri-Metallic Sport Catalytics back towards the muffler inlets to create as much scavenging and velocity as possible to produce the most torque and horsepower possible on the smaller displacement flat-six motor. The difference between this design and conventional designs, where the catalytic converter is just behind the primaries on the header, is noticed in the mid-range and top end performance where smaller displacement motors need it most. The catalytic converters are made by HJS Emission Technology GmbH & Co.KG in Germany. They are nicknamed “HD” for heavy duty and are triple foil (winding of three flat and corrugated foils). HD cats offer more longevity than the HF cats and are suited for street and light track use. The catalytic pipes are also a modular design so each can be replaced if necessary, in the future.

The muffler design varies greatly from designs that are common in the aftermarket. Our muffler is uniquely made with double perforated sound absorption tubes based on the Halbgegenstromprinzip (half counter current principle). The acoustic silencer absorption tubes are made in a trapezoidal pattern and are perforated with varying diameters. This design isolates and dampens the unwanted frequencies that create drone. Perforated tubes also create much less flow restriction than baffle plates at higher gas velocities, and consequently translates into larger horsepower and torque gains throughout the entire rev range.

The exhaust tips are 3.5 inches (90 mm) dual round outlets that perfectly complement the rear bumper cutout. Each tip is double walled stainless which dissipates heat more efficiently so that the tips don't discolor with heat as quickly as single walled tips. Each tip includes an embossed FVD Brombacher logo.

The resulting sound exhibited is a sonorous, linear-firing-order dominated flat 6 Porsche sound, which also gurgles and crackles off throttle. It is the closest to a Cup Car sound in nature and is unmistakably Porsche. This sound is not a coincidence as our entire “Brombacher” line of exhausts is manufactured by M&M Exhaust, GmbH whose exhaust can be heard on many of the Porsche race cars we have loved to listen to over the years.

Please Note: The rear O2 sensors on these cars have enough length on the harness to accommodate this design, cutting or splicing is not necessary. We send simple instructions so that you can unclip and extended the harness length from the fire wall. We recommend new gaskets, 2 Qty. 99611110755EQ and 12 Qty. header bolts 99907507400 for installation, everything else is included. We recommend software tuning with the addition of sport cats, as stock tuning can cause the car to run rich. That can lead to raw fuel being dumped on the cats, which can lead to damage and premature failure. This is the perfect time to take advantage of our FVD Progressive Tuning Program, explained in our performance software options. If you already have FVD performance software, this exhaust system purchase includes a free FVD software update.

Package Information

Also known as BES987C0200SHD BES.987.C02.00SHD BES-987-C02-00SHD

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