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PORSCHE BOXSTER AFTERMARKETCan't find what you need? Try browsing the Accessories or Exploded Diagrams!Filtered by: 911 1998-05 - Front Axle/Steering (includes uncategorized and accessory items) ![]() BES99104060S + 11 hp & + 10 tq gain. - 2 3/4 tubing (70mm). - weighs 35.2 lbs (16 kgs) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - does not interfere with emissions and will not trigger the check engine light. - includes block off plates & caps to use with either the OEM center muffler or an aftermarket center muffler bypass (with 2 inlets). - replaces the OEM valved side mufflers. Connects to OEM header and catalytic flange and connects to OEM center muffler or bypass. - can be used with bes99107060s1 for an even more aggressive growl. * please note - you will no longer have use of your valves ! Our 991 GT3 side muffler replacements are vastly different than the baffle plated mufflers stu...(choose a part on the right to read more)
$1,788.60
Make a selection BES99105040S Perfect muffler for those looking for a more aggressive exhaust note without changing the factory catalytic converters. The added benefit is you can reuse your OEM catalytic converters for emissions purposes. + 15 hp & + 12 torque - reuses OEM cats, perfect for those concerned about warranty. - open muffler design for added power. - tubing diameter is the same as the OEM system. - weighs 19 lbs. (8,6 kg) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - 4 on a scale of 1-10 in volume (1 being stock) below 3,000 rpms, 6 on a scale of 1-10 in volume under maximum load (3 being stock). - includes cone and v band style hardware to prevent exhaust leaks. - made in Germany. - modular desi...(choose a part on the right to read more)
$2,920.50
Make a selection BES99115000S + 11 hp & + 10 tq gain. - 2 3/4 tubing (70mm). - 4 x 3.5 (90mm) round tips. - net weight is 16.4 kg / 36 lbs. (10 lb savings over stock 3.4 l mufflers) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - absolutely no drone in the cabin. - does not interfere with emissions and will not trigger the check engine light. - ecu programming (software) is not necessary. - 90 db maximum (oem muffler is 75 db for reference). - replaces OEM side mufflers and connects to OEM header and catalytic flange. Please note: this muffler does not include exhaust valves and is meant to replace the OEM system on the base 3.4l 991 (2012+). Power is stated at the crank. This is the very 1st aftermarket muffl...(choose a part on the right to read more)
$3,869.80
Make a selection BES98111200SHD For 2012+ 981 facts: - equal length headers with motorsports merge collector. - 200 cell hd German hjs tri metal sport cats. - t316 lightweight stainless. - primary diameter 45mm outer , 42mm inner - each header weighs 13 lbs. (6 kg) - reduces thermal stress on the motor. - made in Germany please add 2 engine to header gaskets when ordering - 2 qty 99711110731 power: - 981 (2.7l) = + 12 crank hp (9 kw) & + 11 crank torque (15 nm) - 981s (3.4l) = + 16 crank hp (12kw) & 15 crank torque ( 20 nm) our latest development for the 981 is aimed at those who are looking for more torque in the mid-range, a rich, deep exhaust growl. These headers contain the latest hjs cats, they are nicknamed "hd" for high durability ma...(choose a part on the right to read more)
$4,988.50
Make a selection 644631421S Excellent set of left and right aftermarket usa red tail light lenses for all late a and b and c model 356 models these will certainly brighten up the rear end of your car. consists of
$36.57
Make a selection 47075004 Bmc sport air filters were originally developed in association with the ferrari f1 team. Bmc started producing their filters in 1973 and is one of the most recognized brands in the European automotive industry and is a member of the vdat German tuning association. Oem filters only require a total particle filtration efficiency up to a minimum size of 10 microns. Oem air filters function primarily to protect the engine, so they are cost effectively produced in paper. Paper filters have high resistance to airflow that reduces the inlet pressure and consequently engine performance. Bmc filtration systems yield more engine performance, both in terms of power and torque without compromising reliability. A bmc sport ...(choose a part on the right to read more)
$225.50
Make a selection 47041616 Bmc sport air filters were originally developed in association with the ferrari f1 team. Bmc started producing their filters in 1973 and is one of the most recognized brands in the European automotive industry, they are also a member of the vdat German tuning association. Oem filters only require a total particle filtration efficiency up to a minimum size of 10 microns. Oem air filters function primarily to protect the engine, so they are cost effectively produced in paper. Paper filters have high resistance to airflow that reduces the inlet pressure and consequently engine performance. Bmc filtration systems yield more engine performance, both in terms of power and torque without compromising reliability. A bm...(choose a part on the right to read more)
$117.70
Make a selection BES98115001SK This is our jekyll and hyde version ! The perfect compromise for you and your loved ones. Rich, deep race car tones with the valves open and soft subtle, completely stock sounds with them closed. Top of the line or range depending on the english, and is the best choice for a daily driver. + 11 hp & + 10 tq gain. - thermal insulation on piping to keep suspension components cool. Withstands up to 2,012 degrees fahrenheit (1,100 degrees celsius). - 2 1/2 tubing (63.5 mm). - 2 x 3.5 (90 mm) round tips. - intoxicating growl at idle, partial throttle and wide open throttle. - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - minimal resonance / drone in the cabin (200 rpms worth) compared t...(choose a part on the right to read more)
$5,197.50
Make a selection 93010190200EQ1 Quality aftermarket replacement, designed to perform like the original. Includes a threaded drain plug cut out, but does not include the drain plug itself. We also recommend replacing the gaskets for installation, part # 93010139101 sold individually. 1 necessary per car.
$12.10
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From $200.50
Make a selection 90173111101EQ Aftermarket door mirror with planed glass. This is the perfect finishing detail for a restoration, paint correction or replacement. The glass is planed so that your rear vision is not distorted. Includes: chrome adjustable mirror housing planed mirror glass base gasket securing screws, washers and nuts. Please note: please check the model fitment tab to ensure accurate fitment. Sold individually. Left or right side fitment.
$47.30
Make a selection 91134732204EQ The symptoms of a worn tie rod end include, clunking, rattling and squeaking when turning, poor alignment and premature tire wear. Have the rod ends inspected when servicing your suspension and proactively change them when noticing any of the symptoms. Quality European aftermarket replacement designed to perform like the original. Sold individually. Left or right-side fitment. 2 necessary per car.
$64.90
Make a selection BES91105000S This muffler was specifically designed for a backdate to the st look. It is manufactured for mid-range and top end performance, all without drone inside the cabin. It seamlessly mates to ssi heat exchangers for added performance while keeping the cabin warm in the winter. The muffler is vastly different than the common baffle plated mufflers stuffed with packing material that are common in the aftermarket. Ours are 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, which isolate and dampen the unwanted frequencies that c...(choose a part on the right to read more)
$2,627.90
Make a selection 996205340009 Techart sport anti sway bar set Porsche 996 c4 c4s 99-04 General Fitment911 1998-05
$2,293.64
Make a selection BBI9963010001 The bbi autosport Porsche 996/997 turbo clutch slave cylinder conversion kit is a direct replacement part that eliminates the problematic factory power-assist system for improved reliability and pedal feedback. The factory power-assisted clutch system has always been the achilles heel for the Porsche 997 turbo. Utilizing the power steering system to help reduce the force needed to depress the clutch pedal, it is a flawed design that delivers a mushy pedal feel with poor feedback, and is highly prone to failure.
$1,330.00
Make a selection BBI9818200001 Bbi autosport Porsche 981 Cayman GT4 streetcup roll bar features 4130 chrome moly steel tubing for excellent strength to weight ratio and addresses issues such as harness angle, seat travel, and engine compartment access. Taking a sensible design approach, the bar mounts to frame structure in the cabin and rear strut towers to provide the strongest mounting points and maximum protection. For superior strength and rigidity, high strength 4130 chrome moly steel tubing was used throughout and all joints are meticulously tig welded by hand. Bolt-in installation is accomplished by using inner diameter tube clamps that are cnc turned and milled for a precise fit. These unique joints eliminate the unsightly through-bo...(choose a part on the right to read more)
$2,395.00
Make a selection 996200110009 Techart spring kit Porsche 996 c4 c4s coupe 99-04 General Fitment911 1998-05
$1,011.14
Make a selection BES981C1200SGT4 - equal length long tube headers with motorsports merge collector. - 200 cell hd German hjs tri metal sport cats. - primary diameter 50mm outer , 47mm inner for the larger 3.8l displacement. - t316 lightweight stainless steel. - reduces thermal stress on the motor. - made in Germany by m&m exhaust gmbh. Please add 2 engine to header gaskets when ordering - 2 qty 997 111 107 31 power: - 981 GT4 / spyder (3.8l) = + 18 crank hp (13kw) & 16 crank torque ( 21 nm) our latest development for the 981 is aimed at those who are looking for more torque in the mid-range, a rich, deep exhaust growl. These headers contain the latest hjs cats, they are nicknamed "hd" for high durability matrix design catalytic converters. T...(choose a part on the right to read more)
$5,780.50
Make a selection 996205320009 Techart sport anti sway bar set Porsche 996 c2 99-04 General Fitment911 1998-05
$2,293.64
Make a selection 996200260009 Techart coilover suspension kit Porsche 996 c4 c4s 99-04 General Fitment911 1998-05
$6,343.64
Make a selection AP9972TT170 The stock exhaust of the Porsche 997.2 turbo is very restrictive compared to aftermarket systems. Porsche does this to meet sound and emission purposes like most OEM manufacturers. agency power set out to create an exhaust system for the new Porsche 997.2 turbo 6speed or pdk that did not drone, would produced amazing performance, and under throttle give an incredible sound. we have accomplished this! the new agency power exhaust not only saves about 30lbs off the rear end, it also improves power quite a bit.
$3,749.95
Make a selection BES95B05040SK + 15 hp & + 18 tq gain. - 2.5 tubing (63.5mm). - 4 x 4 (101mm) round tips. - 8.5 lb. Weight savings over OEM mufflers. - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - does not interfere with emissions and will not trigger the check engine light. - ecu programming (software) is not necessary. - electronic valve controller must be removed from the OEM unit and added to our muffler. - made in Germany. Please note: this muffler is a direct replacement the macan turbo (95b) model which comes with a single electronic exhaust valve on the passenger side. This is the very 1st aftermarket muffler for the macan 95b turbo that includes a valve like the factory system. This allows our system ...(choose a part on the right to read more)
$4,544.10
Make a selection RES98720000SS Having to weld up cracks regularly on your current aftermarket racing exhaust? If you are looking for a racing exhaust that can handle abuse at the track, look no further. This exhaust system is manufactured by m&m exhaust, gmbh in Germany. They manufacture a multitude of Porsche motorsport and racing exhausts. Each system is designed for reliability and performance gains throughout the entire rev range. Not to mention, you directly benefit from everything m&m learns at the track, so their systems designs are never static. Also, each system is tested comprehensively for flow characteristics / rate, thermal stress, cracking, and longevity. Features: + 20 hp & + 19 tq catalytic bypass pipes weighs 55 lbs. (23 kg)...(choose a part on the right to read more)
$5,082.00
Make a selection BES99102240SHDO + 15 hp & + 14 torque - 200 cell high flow, tri metal German hjs "hd" high durability matrix sports catalysts. - can be used with FVD "brombacher" mufflers. - weighs 15.5 lbs. (7.0 kg). - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - made in Germany. - intoxicating growl at idle, partial throttle and wide open throttle. The catalytic converter cores used in this system are the most advanced in the industry. They are produced by hjs in Germany and are a 200 cpsi (cell per square inch) tri-metal design. Tri-metal cats are the freest flowing and environmentally friendly aftermarket cats produced today. Tri-metal catalytic converters are rodium, platinum and iridium coated and per...(choose a part on the right to read more)
$4,383.50
Make a selection BES99125010SK Are you one of those that are looking for more sound from your Porsche sport exhaust (pse)? Perhaps it's not quite as aggressive as you would like, or your last Porsche just sounded so much better? Don't worry, we have you covered, and the beauty is, you don't have to touch the catalytic converters which is a big no, no with Porsche dealers. With the valves open you receive a far more exotic, rich, deep, turbo motorsport tone and with the valves closed, soft subtle, completely stock sounds. So, absolutely no compromise and you will be thinking, the car really should have left the factory like this! Features: - + 10 crank hp & + 8 crank torque. - weighs 29 lbs. (13 kg) - German v2a - x5crni18-10 - 1.4301 stai...(choose a part on the right to read more)
$4,312.00
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