Titanium-stabilised; resists sensitisation at exhaust temperatures better than 304.
Stainless Steel 321
23 aftermarket parts. 20 of the aftermarket entries carry this material because the seller printed it; none was inferred from what the part usually is.
- Dundon Motorsports🇺🇸
Long Tube Street Header Exhaust System, GT3 RS / 911 R (991.1)
Long-tube header system in 321 stainless with a metal-core 200 cpsi catalyst, aimed at keeping street legality while moving the collector.
Exhaust991Stainless Steel 321 - Dundon Motorsports🇺🇸
Race Header System with Valved Side Deletes, GT3 / GT3 RS / R / Touring (991)
Full race header package quoted at 36 lb against 86 lb of factory hardware — a 50 lb swing, the largest single weight change in this catalog.
Exhaust991Stainless Steel 321 - Dundon Motorsports↗🇺🇸
Pre-Owned GT3 321 Side Muffler Deletes for 997/991
Dundon Motorsports exhaust listed for the 991, 997. Specification below is what the seller states; construction is not disclosed on the listing.
Exhaust991997Stainless Steel 321 - Soul Performance Products↗🇺🇸
718 GT4 / Spyder / GTS 4.0L SOUL Resonated Over Axle Pipes
718 GT4 / Spyder / GTS (2020+) listed for the 986, 987, 981, 982.
Drivetrain986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
718 GT4 / Spyder / GTS 4.0L SOUL Competition Over Axle Pipes
718 GT4 / Spyder / GTS (2020+) listed for the 986, 987, 981, 982.
Drivetrain986987981982Stainless Steel 321Stainless Steel (grade not disclosed)Aluminium (alloy not disclosed) - Soul Performance Products↗🇺🇸
981 GT4 / Boxster Spyder / Clubsport SOUL Competition Package
981 GT4 / Spyder / Clubsport (2015-2016) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Titanium (grade not disclosed)Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
987.1 Boxster / Cayman SOUL Street Package
987.1 (2005-2008) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Titanium (grade not disclosed)Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
981 Boxster / Cayman SOUL Performance Exhaust System
981 (2012-2016) listed for the 986, 987, 981, 982.
Exhaust986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
Boxster / Cayman SOUL Turn Down Tips
718 (2017+) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
997.1 Turbo GT2 Style Bolt On Exhaust Tips
997.1 Turbo (2006-2009) listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Exhaust901g-series964993996997991992Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
991 Turbo SOUL Bolt On Exhaust Tips
991.1 / 991.2 Turbo (2013-2019) listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Exhaust901g-series964993996997991992Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
991.2 Carrera (with PSE) SOUL Trackback Turbo Back Exhaust
991.2 with PSE listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Exhaust901g-series964993996997991992Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
987.2 Boxster / Cayman SOUL Street Package
987.2 (2009-2012) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
987.1 Boxster / Cayman SOUL Competition Package
987.1 (2005-2008) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Titanium (grade not disclosed)Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
987.1 Boxster / Cayman SOUL Performance Exhaust System
987.1 (2005-2008) listed for the 986, 987, 981, 982.
Exhaust986987981982Titanium (grade not disclosed)Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
987.2 Boxster / Cayman SOUL Competition Package
987.2 (2009-2012) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
981 Boxster/Cayman SOUL Competition Package
981 (2012-2016) listed for the 986, 987, 981, 982.
Restoration & Obsolete Parts986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - Soul Performance Products↗🇺🇸
981 Boxster / Cayman SOUL Valved Exhaust System
981 (2012-2016) listed for the 986, 987, 981, 982.
Exhaust986987981982Stainless Steel 321Stainless Steel (grade not disclosed) - PMB Performance↗🇺🇸
SSI Stainless Steel Heat Exchanger Pair, fits 911 (1974-83)
Part listed for the g-series.
Exhaustg-seriesStainless Steel 321Stainless Steel (grade not disclosed) - Auto Atlanta↗🇺🇸
DISCONTINUED - Agency Power Performance Muffler System
Part listed for the 996.
Exhaust996Stainless Steel 321 - Auto Atlanta↗🇺🇸
Agency Power Performance Headers
Part listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Exhaust901g-series964993996997991992Stainless Steel 321 - Auto Atlanta↗🇺🇸
Agency Power Performance Exhaust System, 911 Turbo
Part listed for the 901, g-series, 964, 993, 996, 997, 991, 992.
Exhaust901g-series964993996997991992Stainless Steel 321Stainless Steel (grade not disclosed) - Auto Atlanta↗🇺🇸
Agency Power Performance Exhaust
Part listed for the 996, 997.
Exhaust996997Stainless Steel 321