Engine
Air Filter
Constructed with 100% polyurethane on all four sides, this high-flow, oiled OE replacement performance filter will outflow the stock filter by up to 7% for impr...
$79.79
Constructed with 100% polyurethane on all four sides, this "oil free" OE replacement performance filter will outflow the stock filter by up to 7% for ...
$79.79
Diverter Valve
Stock diverter valves are a common item to fail, especially on a modified car. CTS Turbo billet diverter valve is the solution!
This valve has a faster...
$149.99
Atmosphere venting BOV won’t work on your car? Try a GFB Respons – you’ll be surprised!
Just another dual-port BOV?
On the sur...
$332.00
$298.80
The SXV range is designed to ensure the ultimate reliability, performance, and boost holding.
Featuring a 25mm inlet and outlet, the SXV is the perfect valve...
$190.00
$171.00
Now you can control the sound of the BOV from inside the cabin!
So how much more can you do with a blow-off valve? Well, the Deceptor Pro...
$490.00
$441.00
Intake
034Motorsport's X34 Carbon Fiber Cold Air Intake delivers improved power, sound, and acceleration to B5 S4 owners in a clean OEM+ package. Through extensive...
$618.00
Intake Manifold
Audi 30v V6 (2.7T, 2.8) phenolic intake manifold spacer, 5mm thickness to prevent heat conductivity to the intake manifold from the cylinder head.
Preci...
$105.40
Manifold
Phenolic intake manifold spacer for the 1.8T, 10mm thick, includes 2 OE gaskets and longer hardware for an easy, quick install.
Also includes, 8 longer allen...
$84.00
Throttle Body
CTS Turbo is now offering throttle body spacers for the 1.8T engine. These spacers offer a injection point for water/meth systems as well as increasing the plen...
$49.99