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Home » Exhaust » Exhaust Down Pipes/Test Pipes » 02-07 Subaru WRX/STi

  Checkout
Manufacturer: HKS
HKS Catless Downpipe Subaru 02-07 WRX & 04-07 STi
HKS Catless Downpipe Subaru 02-07 WRX & 04-07 STi

HKS Catless Downpipe Subaru 02-07 WRX & 04-07 STi

HKS offers two downpipe choices for the 2002-2007 WRX & 2004-2007 STi. The less expensive option is the flat-plate flange 33006-BF001. The flat-plate downpipe is designed as a simple, cheap solution which eliminates both catalytic converters on your 02-07 WRX or STi and features 3" piping for improved flow. While the HKS flat-plate downpipe will improve performance, we do not recommend it for anything other than a stock turbo, due to the flat-plate design that creates wastegate turbulence. Because of this turbulence the HKS 33006-BF001 downpipe helps reduce boost spiking in 2.5L Subaru. The 3" with a flat rear flange is designed to accommodate 3" aftermarket catback exhausts.

The HKS 33006-BF002 Catless Bellmouth Downpipe for the 2002-2007 WRX & 2004-2007 STi is 3" of mandrel bent stainless steel designed to improve exhaust flow. The Bellmouth 33006-BF002 is an excellent option for your 02-07 WRX/STi with an aftermarket turbo and in addition to a performance exhaust system.

Because these downpipes eliminate both catalytic converters, they are not emissions legal and will trigger a Check Engine Light (CEL). We recommend the Cobb Accessport to properly tune the vehicle for these HKS downpipes and to eliminate the CEL.

FITMENT: 02-07 Subaru WRX and 04-07 STi
NOTE: This downpipe will not fit 08+ WRX or STi

Recommended Parts: OEM Subaru Gaskets
OEM Gasket Kit for Uppipe Install 2002-2006 WRX and STi
 
Please Select: HKS Flat-Plate Downpipe 02-07 WRX/STi - 33006-BF001
HKS Bellmouth Downpipe 02-07 WRX/STi - 33006-BF002 (+$213.00)

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List Price: $195.00
Price SHIPPED!: $185.00
 

 
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