aFe SATURN 4S 409 Stainless Steel Muffler Delete Pipe 2011-subaru-impreza-esi3289189 Öhlins professional test drivers have

Öhlins professional test drivers have tested all settings to find the optimum performance so you can focus on the driving

Beneath the top ring and second ring lands an accumulator groove is machined

By dramatically increasing the size and design of the air box's lower and upper sections

EGR must be removed for fuel pulse damper fitment

aFe SATURN 4S 409 Stainless Steel Muffler Delete Pipe 2011-subaru-impreza-esi3289189 Öhlins professional test drivers haveBring the maximum power out of your exhaust with the aFe Power Muffler Delete Pipe. This pipe is constructed out of 409 stainless steel and is used to eliminate the 4" In Out muffler used in most factory or performance 4" exhaust systems. You will love the aggressive exhaust note of a 4" system with no muffler while maximizing exhaust flow, throttle response and performance. Muffler Delete Pipe Specifications: 4 IN ID x 24 IN L x 30 IN Overall