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
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
2.5" Clamp-on Inlet / 4.0" Single Wall, Slant Cut Outlet
10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
06-13-2026
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
Not vehicle specific. You MUST measure prior to purchasing!
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
Not vehicle specific. You MUST measure prior to purchasing!
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
Not vehicle specific. You MUST measure prior to purchasing!
This product was last offered at the strikethrough price on
05-02-2026
Stainless Steel exhaust tips featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 4.0" Double Wall, Slant Cut Outlet
Not vehicle specific. You MUST measure prior to purchasing!
2.5" Clamp-on Inlet / 3.5" Single Wall, Slant Cut Outlet
10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!
2.5" Inlet - 3.5" Outlet - Single Wall Brushed Steel
3.0" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
2.5" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
Stainless Steel exhaust tip featuring swivel attachment for maximum adjustability. 2.5" Swivel Inlet / 3.5" Double Wall, Slant Cut Outlet
Not vehicle specific. You MUST measure prior to purchasing!
3.0" Inlet - 3.5" Outlet - Single Wall Brushed Steel
High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. German imported 200-cell HJS catalysts.
Only for vehicles with PSE. (Porsche Sport Exhaust)
High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. German imported 200-cell HJS catalysts.
Only for vehicles without PSE.
Unleash the raw sound of your Porsche 991.2 with the Ultimate Performance Valved Exhaust by Rennline!
Faster Throttle Response, Harder pull to Redline & Valvetronic Capability