MODDING EXPERTS
Foster SC Mods is owned and operated by passionate and active muscle car enthusiasts with over 20 years in the business
OUR SOUND KITS
All our kits have undergone extensive development to give you the absolute best results possible and maximum rotor sound
CUSTOMER SUPPORT & ADVICE
Join our “Whine Club” where you will find great support, offers on new products, information and advice from our expert team

THE INSPIRATION FOR OUR SOUND KITS

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Hi, I’m Shawn Foster of FosterSCMods.com

and I’m all about making cars using twin Screw Superchargers, more fun to drive. I’ve been involved in muscle cars and Mustangs since 1994. Modifying, making them faster, more efficient, and more fun to drive has been my passion. I love the twin screw Superchargers and partial to Whipple’s as that’s what I currently have on my own 2015 GTPP Mustang. I’ve also had an exceptional and highly modified red 1992 LX coupe that I built up with a 363 CID forged Dart block to which I fabricated a custom (A2A) air to air intercooler system with a 2.8L H series Kenne Bell making 22 psi on the street. I love muscle cars, especially Mustangs, making them faster, adding my own touches and most of all the people and personalities behind every one of them. My latest project is applying sound generator technology to enhance the rotor pulses and induction sound of Twin Screw Supercharger (whine) inside the vehicle to the driver. Newer vehicles have exceptional sound deadening qualities and the beloved whine scream of the Twin Screw Supercharger, often can not be heard inside the vehicle. I worked on this project for the past year and have perfected a way through sound tube generator technology to increase natural whine. These sounds are the actual sound of the rotor pulses entering into the cabin of the vehicle, so the driver can hear the scream/whine of the twin screw Supercharger. The induction sound and whine depends on the engine loading and speed and which Stage Kit you use. The load on the motor and throttle blade angle dictate the volume and level of how loud the whine will increase. At casual cruising speeds there is no increase in sound, but with light throttle a slight whistle whine can be heard, and at medium to heavy throttle application from 2500 rpm up whine comes on strong and builds to a scream at 6k rpm, every Twin Screw owners dream.

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Shawn Foster

OVER 20 YEARS MODIFICATION EXPERIENCE

CUSTOMER COMMENTS

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“By far, the best addition to my Whipple Supercharger since it was installed. Brings the fun factor to another level. Every time I hit the throttle, my car sings. It’s really hard not to smile. Driving is a visceral deal. You feel it with the Whipple and can hear it with Foster’s sound tube mod. If you’re looking for that whine, this is the kit. Easy to install and a must have to complete your supercharged experience.” Jason Leach 2016 GT/ Whipple Foster Stage 2 SOUND TUBE KIT

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“I just want to say how thoroughly impressed I am with the creation and execution of this sound tube mod. I can hear the supercharger whine now from 2,000 RPM all the way to redline and I couldn’t be happier!” See the full testimonial Jaime Ohlson 2017 Auto / Whipple Foster Stage 2 SOUND TUBE KIT

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“Just a big shout out to Shawn for his sound tube kit. He opened up the pathway of whine from my Whipple that I couldn’t hear and now when it screams I can hear that sweet sound. Highly recommended to anyone wanting to enjoy their supercharger sound” Dave’s vehicle is a stick shift and set up mostly for road racing. David Barrow - 2016 GT / Whipple Foster Stage 2 SOUND TUBE KIT

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