Take your 991.1 or 991.2 turbo or turbo s to a new level with these muffler bypass pipes. They produce the wildest sound available on the market today and are a perfect upgrade for level 3 or 4 car used on the track. They produce loud, low, deep tones with exaggerated turbo whistling and sinister gurgling and crackling off throttle. By far the best sound you can get out of your turbo, not to mention being able to shoot flames! The only real drawback is the drone in the cabin which we try to minimalize by stepping down the diameter in 3 stages. Features: - + 35 crank hp & + 25 crank torque - 3 tubing (75mm) that tapers down to 2.25" (57mm) to prevent turbo damage. - weighs 7 lbs. (3,1 kg) - German v2a - x5crni1...(choose a part on the right to read more)

"brombacher" edition valved mufflers are 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. - + 25 crank hp & + 19 crank torque - 200 cell high flow, tri metal German hjs sport catalysts - 2 3/4 tubing (70mm) straight through design for max. Power - weighs 55 lbs. (25,0 kg) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability - 85 db at idle and partial rpms(up to 60 mph) with valves closed, 100 db at wide open throttle with valves open. - cone style catalytic connection design to prevent exhaust leaks - includes quick release clamps - made in Germany - intoxicating growl at idle, ...(choose a part on the right to read more)

This set of pipes allows you to remove the secondary cars on your 2.7l/3.2l Boxsters for a more free flowing exhaust. Note: reprogramming of dme necessary for proper running engine. removing catalytic converters or tampering with emissions devices are for off-road use only and may void your warranty.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.

General Fitment

Known as: oxygen sensor after starter catalytic converter

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Boxster 1997-04 - Fuel/Exhaust

The bbi autosport 997 & 991 GT3 / rs exhaust side bypass is a direct replacement for the factory primary side mufflers. The primary mufflers are weigh approximately 44 pounds total while the bbi pipes are 4 pounds in comparison. For durability and protection against corrosion, each system is meticulously tig welded using 304 aerospace grade stainless tubing with lower carbon content. The result is a substantial reduction in weight behind the rear axle which significantly improves handling and less restriction to produce a much more aggressive exhaust note.
Features
• delivers deep aggressive exhaust sound
• significant weight reduction of 40 pounds
• 304 stainless steel aerospace tubing
• meticulo...(choose a part on the right to read more)

Known as: oxygen sensor in front of starter catalytic converter

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Boxster 1997-04 - Fuel/Exhaust

Agency power is proud to release its super sport exhaust system for the 958 Porsche Cayenne s v8 2011 and up. the super sport exhaust is a axle system that gives your 4.8l v8 engine a real aggressive tone. made here in the usa, the exhaust saves close to 30lbs off the rear end of the vehicle. using 304 stainless steel and detail oriented tig welding, the exhaust system uses two small high flow mufflers which give it the sports car rumble. its reduced back pressure design gives the engine improved horsepower and torque with most noticeable improvement in throttle response. because of the reduced restriction, this exhaust horsepower gains can definitely be noticed in the mid to top rpm range.

Even though ...(choose a part on the right to read more)

This bursch racing catalytic converter replacement pipe reduces engine damaging heat at the track and increases performance in the mid-range and top end. Like all bursch products, this replacement pipe is coated in high temp. Paint (1,200 degree). Use of this product for purposes other than solely for competition and off-road use is a violation of federal law and may violate applicable state or local environmental, motor vehicle and other laws. This product is intended for racing and off-road vehicles which may never be used on a public road

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shi...(choose a part on the right to read more)

Exhaust systems have a tough life. Outside, they face salt, mud, water, crud, rocks, among other road hazards! Internally, they experience unburned hydrocarbons, acids, and moisture. All borla systems feature tough 16 gauge t-304 stainless steel construction. It's so tough that borla backs each system with a million mile warranty. Cat back systems run from the rear of the catalytic converter to the end of your vehicle. Adds throaty sound characteristics and provides mild performance gains with tuned exhaust flow.



Notes

* unless otherwise stated, all exhausts are cat-back systems.
* note: actual part may vary from photo shown.

General Fitment

Known as: oxygen sensor after starter catalytic converter

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Boxster 1997-04 - Fuel/Exhaust

Treat your 992 turbo to the finest cat-back exhaust solution on the market. This valveed exhaust system is plug-and-play with the factory pse system so you can turn pse off for quiet highway cruising and turn pse on for ripping twin turbo sports car sound! 

With over 25+ years of Porsche air and water-cooled experience, fabspeed motorsport usa offers a great enhancement for your stock exhaust or aftermarket exhaust on your Porsche 992 twin turbo / turbo s. Fabspeed was the first company to design and engineer every Porsche twin turbo exhaust enhancement. From the 1996 993tt to the 2021 twin turbo, making a sports car like the 992 turbo / turbo s even faster and more exclusive is the domain of fabspeed. Usin...(choose a part on the right to read more)

New formula with high zinc (zddp) content.
Specially formulated for classic / collector cars with flat tappet cams or performance modified engines.
Api sj
Not for use in modern engines with catalytic converters.

General Fitment

Weld part (ø 108 mm)

General Fitment

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.

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Boxster 1997-04 - Fuel/Exhaust