1-3kg shipping weight

Fits all Mach 2, Respons TMS, and Deceptor Pro II valves. This softer spring is supplied standard in all Mach 2 valves that are fully recirculate...

This is the standard spring that is supplied in all Respons TMS and Deceptor Pro II valves, and is an optional extra for all Mach 2 valves when b...

In the race to create the most compact and highest flowing blow-off valve, GFB’s SV52 pulls ahead of the pack. Standing only 86mm tall (including t...

If you want sound with your performance (or performance with your sound!), GFB’s VTA delivers just that! By combining the proven performance benef...

If you want sound with your performance (or performance with your sound!), GFB’s VTA delivers just that! By combining the proven performance benef...

VTA T9468 DV+ Performance, Blow Off Valve Sound! The VTA is a performance blow-off valve solution for Ford Mustang Ecoboost vehicles with an electr...

VTA T9430 GREAT BLOW-OFF SOUND, CLIPS IN WITH NO TOOLS REQUIRED! The Latest Addition To The VTA Range Is A Blow-Off Valve Designed Specifically For...

The VTA is a performance blow-off valve solution for Audi, VW, Skoda and SEAT vehicles with an electronic factory diverter valve. If you want sou...

EX44 Inlet Weld-On Flange

You asked, we delivered. Many times we have been asked for a replacement trumpet that gives a different sound, and here it is. The ability to c...

Part Number: 077044 Kill that exhaust leak for GOOD! GrimmSpeed Subaru 3 in. Downpipe Adpater Flared Adapter Transition! (Creates a smooth transiti...

1Part Number: Gasket-034001 Rejoice 3-Bolt Up Pipe owners, you finally have a great replacement gasket for your up pipes! We listened to your wants...

Part Number: 099050 Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has ju...

Part Number: 099012 Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has ju...

Part Number: 057033 The GrimmSpeed Mitsubishi EVO Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will ...

Part Number: 057019 The GrimmSpeed Mitsubishi EVO Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will ...

Part Number: 112000.1 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 112000.2 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 112000.3 GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners over the years, but there’s always been one ...

Part Number: 040004 Have you ever thought to yourself, ""Man, Trent, you've got all of these awesome parts but how are you supposed to let your cre...

Part Number: 090113 The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA20-powered WRX with larger diameter CNC man...

Part Number: 060091 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060077 You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a ...

Part Number: 060078 You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought of as a ...

Part Number: 060094 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060092 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060089 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...