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
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
Boost your mid-range torque instantly while keeping your options open for future water-methanol injection setups.
10X Entries For Our 25th Anniversary Sweepstakes!
Great for when more fuel is needed in a custom fueling application
10X Entries For Our 25th Anniversary Sweepstakes!
Includes BFI engine and transmission mounts.
Better airflow for more power
CARB certified for sale in all 50 states
Fits TSI engines only
3" Down pipe with Hi-Flow Sports cat and 2.75" stainless steel cat-back with twin 80mm GT80 polished tips
Replaces the failure-prone factory diaphragm for rock-solid boost control
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Average gain of 57 horsepower and 88 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade
For vehicles with TSI engine only
Includes all clamps and hardware to install a cat-back system
This product was last offered at the strikethrough price on
02-24-2026
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
Includes $300 refundable core charge
This K04 Turbocharger will require diverter valve relocation
This product was last offered at the strikethrough price on
02-26-2026
A great solution for the DIY builder, does not include software or plumbing
This K04 Turbocharger will require diverter valve relocation
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
02-26-2026