2015 Porsche 911 991 Carrera 4 Coupe H6 3.4L
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
10X Entries Into Our F80 M3 Sweepstakes
Improve exhaust flow and sports car sound
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
For those looking to increase power and bring out the note of their 3.4L powerplant, without turning their backs on perfect daily-drivability and Porsche sophistication.
2X Entries Into Our F80 M3 Sweepstakes
Constructed from T-304 Stainless Steel, the AWE Porsche 991 Carrera Performance Exhaust shows maximum gains of 29hp and 33tq at the crank and weighs in at 12lbs less than the stock unit!
2X Entries Into Our F80 M3 Sweepstakes
This product is only confirmed to fit non-PSE vehicles at this time.
Lifetime Replacement
100% handcrafted in Italy. Stainless steel construction. Legendary sound!
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
Constructed from T-304 Stainless Steel, the AWE Porsche 991 Carrera Performance Exhaust shows maximum gains of 29hp and 33tq at the crank and weighs in at 12lbs less than the stock unit!
2X Entries Into Our F80 M3 Sweepstakes
This product is only confirmed to fit non-PSE vehicles at this time.
Lifetime Replacement
Improves exhaust tone and saves weight by replacing the factory center muffler
Lifetime Replacement
2.5" Inlet - 3.5" Outlets - 1x1 Carbon Fiber Sleeves
This product was last offered at the strikethrough price on
08-25-2026
2.5" Inlet - 3.5" Outlet - Single Wall Black
This product was last offered at the strikethrough price on
08-25-2026
2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
This product was last offered at the strikethrough price on
08-25-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
Replaces stock tips on Porsche 991.2 and converts to sport package look. Polished T304 stainless steel with aircraft quality TIG welding.
For Non-PSE Cars Only
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
This product was last offered at the strikethrough price on
08-25-2026
