Invidia Down Pipe "Australian Spec" Catless - Subaru WRX/STI GD 01-07
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INVIDIA DOWN PIPE
The most restrictive component of the factory exhaust system is the down-pipe which begins right after the turbocharger. Invidia Exhausts use a open bellmouth design to completely open up the exhaust flow path out of the turbocharger. This open bellmouth design combined with a larger pipe diameter and smooth bends allows the turbocharger to exhale exhaust gases with fewer restrictions and turbulence. Because of these reasons, Invidia down-pipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque with a great reduction in turbo lag.
The bellmouth is made from cast 304 Stainless Steel to withstand the high temperatures seen at the turbocharger, with a laser cut cast steel flange to ensure long lasting leak free reliability. Designed locally to suit Australian Specification Vehicles, this is a 100% bolt on installation for right-hand drive vehicles with no modifications or changes to the steering knuckle required. Factory O2 sensor locations are also retained to ensure compatibility with factory systems.
- Piping Diameter: 76mm diameter
- Piping Thickness: 1.5mm
- Piping Material: 304 Stainless Steel
- Flange Material: Cast 304 Stainless Steel
- Bellmouth Material: Cast 304 Stainless Steel
- Bellmouth Flange Material: Laser Cut Cast 304 Stainless Steel
- Catted: No
- Catalytic Converter Spec: N/A
- Included Hardware:
- Cat-Back Gasket (turbo to down-pipe gasket NOT included)
- Cat-Back Nuts/Bolts
What clients say
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Really fast and high quality customer support, my order got to me faster than the quoted time too. No complaints
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The team took a mostly broken car after some work done elsewhere, and have systematically made it reliable and fast for a fair price. The staff are invested in the work they do which also makes a big difference.
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Jeff was extremely helpful in assisting me with my exhaust. Always kept me updated and answered any queries in a timely manner. Will definitely be coming back for my future mods
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Justin and his crew is amazing! Always ready to help and service with a smile. Trusty, friendly and reliable! Had my car sent in for repair twice and it’s fixed on time, at a reasonable price and with no issues. Highly recommended!
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Easy to deal with and part was ordered quickly
