Quick view Details K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza MSRP: Now: $64.99 Add to Cart Compare Quick view Details AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester MSRP: Now: $69.99 Add to Cart Compare Quick view Details Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view Details AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view Details AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view Details AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester MSRP: Now: $69.99 Add to Cart Compare Quick view Details Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view Details AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view Details AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view Details Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view Details AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view Details AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view Details AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view Details AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view Details AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view K&N | sku: 33-2304 K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop In Air filter Replacement 33-2304 Subaru WRX & STI / Forester / Impreza K&N Drop-In High-Flow Air Filter: K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been... MSRP: Now: $64.99 Add to Cart Compare Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view AEM | sku: 28-20304 AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM H Dry Flow Air Filter 28-20304, 2007-2010 Impreza / Forester AEM DryFlow Panel Filter: AEM DryFlow Performance Panel Filters offer the same benefits of the DryFlow Conical filters used on all AEM Induction Systems. Excellent Flow Properties, Industry... MSRP: Now: $69.99 Add to Cart Compare Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view Perrin | sku: PSP-INT-110 Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrin Drop In Filter PSP-INT-110, 08-14 Subaru WRX STI Perrn Drop-In Air Filters: Don�t let a flimsy paper filter get between you and true performance. The PERRIN Performance� dual stage, �Open Cell� foam, drop-in Panel Filter is the answer. Increases... MSRP: $67.00 Now: $56.95 Choose Options Compare Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected × OK
Quick view AFE | sku: 31-10161 AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro Dry S 31-10161, 2008-2011 Subaru WRX / STI aFe Drop In Replacement Filters: Constructed with 100% polyurethane on all sides, this high flow OE replacement performance filter will outflow the stock paper filter for... MSRP: $99.74 Now: $79.79 Add to Cart Compare Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected
Quick view AFE | sku: 30-10161 AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI AFE Drop In Replacement Air Filter Pro 5r Oil 30-10161, 2008-2011 Subaru WRX / STI Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved horsepower and... MSRP: $99.74 Now: $79.79 Add to Cart Compare Compare Selected