As valve guides age, they lose their ability to locate the valve to the valve seat. That can create a loss of performance due to the ineffective seal of the combustion chamber. Be sure to replace your guides when replacing valves, valve springs, etc. High-quality OEM replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment. Sold individually. 6 necessary per vehicle.

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.

When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. Quality German aftermarket replacement designed to perform like the original. Sold individually. 6 necessary per car.

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.

Expansion valves regulate the flow of refrigerant. When they start to fail, they can create frost on the vents or the ac compressor, blow warm air or constantly run the ac compressor. High-quality hella OEM replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment. Sold individually. 1 necessary per car. Please note: please check the model fitment tab to ensure accurate 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.

We suggest periodically checking your gas cap seal for fine cracks which produce fumes. If you replace the cap and the fumes persist, check the fuel filler neck, fuel lines, expansion tank and vent shut off valves. Quality replacement part manufactured by dansk. They offer a complete line of replacement parts to complement the entire Porsche model range. All dansk products are manufactured to the highest of European standards to ensure the quality and performance you expect for your Porsche. This commitment has made dansk one of the original equipment manufacturers (oem) to Porsche in Germany. Sold individually. 1 necessary per car. Please note: please check the model fitment tab to ensure accurate fitment.

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We suggest periodically checking your gas cap seal for fine cracks which produce fumes. If you replace the cap and the fumes persist, check the fuel filler neck, fuel lines, expansion tank and vent shut off valves. Quality replacement part manufactured by dansk. They offer a complete line of replacement parts to complement the entire Porsche model range. All dansk products are manufactured to the highest of European standards to ensure the quality and performance you expect for your Porsche. This commitment has made dansk one of the original equipment manufacturers (oem) to Porsche in Germany. Sold individually. 1 necessary per car. Please note: please check the model fitment tab to ensure accurate fitment.

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

Expansion valves regulate the flow of refrigerant. When they start to fail, they can create frost on the vents or the ac compressor, blow warm air or constantly run the ac compressor. High-quality waeco OEM replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment. Sold individually. 1 necessary per car.

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.

Quality replacement for original number, 911 608 102 02. This is made by dansk, they offer a complete line of replacement parts to complement the entire Porsche model range. All dansk products are manufactured to the highest of European standards to ensure the quality, fitment and performance you expect for your Porsche. This commitment has made dansk one of the original equipment suppliers to the Porsche in Germany. Includes a fuel check valve, check valve seal, proper dust caps, terminal connectors and washers. Sold individually. 1 necessary per car. Please note: this is the fuel pump for the 924 / 911 and 928-models listed on the model fitment tab and the front fuel pump for the 930 3.3l and 965.

This ite...(choose a part on the right to read more)

+ 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)

When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. High-quality trw OEM (original equipment manufacturer) replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment. Sold individually. 6 necessary per car.

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.

When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. Quality German aftermarket replacement designed to perform like the original. Sold individually. 6 necessary per car.

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.

The bbi autosport Porsche 991 GT3 exhaust center section is a direct replacement for the secondary center muffler. For those who desire a slightly milder exhaust tune, this piece is a great alternative to our cup-style side muffler bypass pipes. By retaining stock side mufflers and valves, the factory "sports button" feature is kept to conveniently switch back and forth between the aggressive "sport" mode during spirited driving sessions and the quieter, more civil "non-sport" mode for minimal noise on the highway.

Features
• delivers deep aggressive exhaust sound
• internal crossover bypass design
• significant weight reduction
• retains sports exhaust button function
• tig welded t3...(choose a part on the right to read more)

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)

+ 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)

The bbi autosport Porsche 991 GT3 exhaust center section is a direct replacement for the secondary center muffler. For those who desire a slightly milder exhaust tune, this piece is a great alternative to our cup-style side muffler bypass pipes. By retaining stock side mufflers and valves, the factory "sports button" feature is kept to conveniently switch back and forth between the aggressive "sport" mode during spirited driving sessions and the quieter, more civil "non-sport" mode for minimal noise on the highway.

Features
• delivers deep aggressive exhaust sound
• internal crossover bypass design
• significant weight reduction
• retains sports exhaust button function
• tig welded t3...(choose a part on the right to read more)

- + 12 crank hp & + 12 crank torque - 2 3/4 tubing (70mm) straight through design for max. Power - weighs 18 lbs. (8.5 kg), which is a 3 lbs. Savings off of OEM center muffler. - replaces stock side mufflers and stock center muffler. - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - 2 x 3.5 (90mm) round tips. - includes all necessary clamps and mounting brackets. - made in Germany. - intoxicating cup car growl at idle, partial throttle and wide open throttle. - no dme programming necessary, does not alter emissions, 50 state legal in the u.s. Our 991 GT3 center muffler replacements are vastly different than the baffle plated mufflers stuffed with packing that are common in the after...(choose a part on the right to read more)

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)

+ 11 hp & + 10 tq gain. - 2 3/4 tubing (70mm). - 18 lb. (8.5 kg)weight savings over OEM center muffler. - 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. - replaces OEM center muffler and connects to OEM header and OEM side mufflers and OEM tips. Please note: this muffler is a direct replacement the 991 Carrera s (3.8l - us model) which comes standard with valves. It is also a direct replacement for the Porsche sport exhaust option. This center muffler bypass for the 991 is one of the most technically advanced for Porsche t...(choose a part on the right to read more)

No need for Porsche sport exhaust (pse) envy with this muffler! This offers weight savings and a far more exotic sound than the pse, all without drone. It is the perfect compromise for you and your loved ones. Rich, deep, turbo motorsport 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. Features: - + 16 crank hp & + 15 crank torque. - weighs 37 lbs. (17 kg) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - direct bolt on replacement for the factory center muffler. - includes necessary installation hardware. - reduces turbo lag, backpressure and thermal lo...(choose a part on the right to read more)

High-quality, cost effective OEM replacement for original part # 901 105 115 03. This cover is designed and manufactured to perform like the original. Please note: this cover does not have the Porsche logo stamped on it like the genuine part. If that is a concern for your build or restoration, please order 901 105 115 11 this will require 6 qty. Washers 90003101430 and 6 qty. Self-locking hex nuts 90008400403 sold individually. 2 necessary per car.

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.

Genuine replacement for original part # 901 105 115 03. This is the latest supersession cover that includes the Porsche logo stamped on the top for a perfect restoration. This will require 6 qty. Washers 90003101430 and 6 qty. Self-locking hex nuts 90008400403 sold individually. 2 necessary per car.

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.

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 hp & + 20 tq gain. - 200 cell hjs "hd" sport catalysts. - 25 lb. Weight savings over OEM system (weighs 59 lbs. (27,0 kg), OEM weighs 84 lbs. (38kg). - 2 1/2 tubing (63.5 mm). - 2 x 3.5 (90 mm) round tips. - motorsport merge collector. - intoxicating growl at idle, partial throttle and wide open throttle with the valves open. Quiet with them closed! - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - minimal resonance / drone in the cabin compared to the competitions full exhaust systems. - "aero quip" style motorsport m...(choose a part on the right to read more)

When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. High-quality OEM (original equipment manufacturer) replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment. Sold individually. 6 necessary per car.

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.