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)

+ 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)

This muffler produces a glorious flat six race car with low deep tones that reminds us of the 964 cup. It is manufactured in Germany by m&m exhaust, gmbh. This muffler is ideal for anyone who wants a lower deeper tone with more decibels, whether they are just replacing the side muffler or are running cat bypass, sport cats or a cup pipe. + 14 hp (10 kw) & + 15 tq (20 nm) gain. - 2 3/4 tubing (70mm). - weighs 13.8 lbs (6.3 kg) - German v2a - x5crni18-10 - 1.4301 stainless steel for improved durability. - absolutely no drone in the cabin. - does not interfere with emissions. - includes factory style hangars and new aero quip style clamps for simple installation. We recommend replacing your exhaust tip with this u...(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)

This is the lock button for vent windows for 356b t-6 and 356c models.

When the knurled end is turned in, the window is locked. it is a very difficult piece to replate, so we suggest this new part at less than replating costs.

644-542-559-06 vent window lock button, for 356b 356c 1960-1965

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)

+ 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)

- + 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)

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)

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. + 25 hp & + 19 torque* - reuses OEM cats, perfect for those concerned about warranty. - open muffler design for added power. - 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 new clamps and muffler straps.* - made in Germany. - modular design for future 100 cell, 200 cell or cat bypass use. - more distinguished ...(choose a part on the right to read more)