2.5" Inlet - 3.5" Outlet - Single Wall Black
2.5" Inlet - 3.5" Outlet - Single Wall Black
3.00" 304 stainless performance downpipe system with a high flow sports catalyst
Convert your existing APR cat-back to a non-valved system
Call In Or Chat For Best Price!
For vehicles already equipped with the APR Valved Cat-Back Exhaust System (CBK0021)
2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
Increase power by containing exhaust heat - Lava
Lets you override the factory exhaust valve operation to fully open the valves at the press of a button!
Call In Or Chat For Best Price!
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
09-08-2026
Keep your underhood temps low and your turbo speeds high!
3" Stainless Steel exhaust for great sound featuring 4.0" tips with the CTS logo
This product was last offered at the strikethrough price on
08-26-2026
Achieve perfect exhaust fitment!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Used for proper sealing of downpipe connection
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
07-08-2026
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Not vehicle specific. You MUST measure prior to purchasing!
2.5" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
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
3.0" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
100mm GT style exhaust tips for the left and right side of the vehicle
This product was last offered at the strikethrough price on
08-29-2026