Business Details
Your Trusted Subaru Performance Experts in Carson
With over 30 years of specialized Subaru experience and 35 years in motorsport, we are dedicated to delivering exceptional quality in Subaru performance enhancements and maintenance. Our team of certified Subaru specialists combines technical expertise with a passion for automotive excellence, ensuring every vehicle we service meets the highest standards of reliability and performance. From routine maintenance to full race-spec builds, we prioritize precision engineering and customer satisfaction. Our comprehensive services include engine and transmission rebuilds, custom fabrication, suspension tuning, and track preparation tailored to both street and racing applications. We maintain a relentless focus on innovation, utilizing advanced techniques for intercooler systems, fuel cell installations, and aerodynamic optimization.Our decades of hands-on experience with Subaru platforms ensures every project benefits from deep technical knowledge and proven methodologies. Whether upgrading factory components or constructing purpose-built race machines, we deliver solutions that balance performance, durability, and driving enjoyment. Our facility supports complete vehicle diagnostics, maintenance, and customization while maintaining strict quality control throughout every project. We serve Subaru enthusiasts seeking expert technical guidance and performance-oriented modifications. Our commitment to excellence extends to transparent communication, personalized service, and continuous improvement in all aspects of our work.
Services
Engine Builds
Transmission Rebuilds
Custom Fabrication
Suspension Tuning
Track Preparation
Brake Upgrades
22B Conversions
Intercooler Systems
Fuel System Upgrades
Diagnostics
Highlights and features
- We have over 30 years of Subaru-specific technical expertise.
- Our certified technicians specialize in high-performance Subaru builds.
- We offer custom fabrication for unique track and street applications.
- We provide comprehensive maintenance and racing upgrades for all Subarus.
- Our team combines OEM precision with motorsport innovation.
Services
Engine Builds
We specialize in Subaru engine builds ranging from OEM-spec replacements to full race-spec modifications. Our services include performance tuning, forced induction upgrades, and complete long-block assemblies. Every build incorporates precision machining, high-quality components, and dyno-proven configurations to maximize power output while maintaining reliability for street or track use.
Transmission Rebuilds
Our transmission expertise covers 5-speed, 6-speed, and sequential gearbox rebuilds for Subaru platforms. We install limited-slip differentials, strengthen gearsets, and perform complete drivetrain swaps. Each rebuild includes component inspection, wear analysis, and performance-oriented modifications to handle increased power outputs from modified engines.
Custom Fabrication
We create bespoke performance solutions including custom intercooler setups, fuel systems, and aerodynamic components. Our fabrication services support both street-driven and track-focused vehicles with tailored cooling systems, roll cage installations, and structural reinforcements to enhance performance characteristics.
Track Preparation
Our track prep services optimize Subarus for competitive driving through suspension tuning, brake system upgrades, and aerodynamic enhancements. We configure vehicles for track day readiness with improved handling dynamics, heat management systems, and safety modifications while maintaining street-legal compliance when required.
22B Conversions
We specialize in 22B replica body kit installations featuring wide-body designs and aggressive styling. Our process includes vehicle preparation, wheel/tire specification selection, and paint coordination. Each conversion considers the vehicle's intended use for proper component selection and performance balance between aesthetics and functionality.
Questions
What Subaru-specific services do you offer?
We provide engine builds, transmission rebuilds, custom fabrication, track preparation, 22B conversions, suspension tuning, and complete maintenance for all Subaru models.
Do you handle both street and race vehicle modifications?
Yes, we specialize in both street-legal performance upgrades and full race-spec builds tailored to your driving requirements.
How experienced are your technicians with Subaru platforms?
Our team has over 30 years of specialized Subaru experience and 35 years in motorsport applications across various models.
Can you help with custom performance component design?
We offer custom fabrication services for intercoolers, fuel systems, aerodynamic components, and structural modifications to meet specific performance goals.
What location do you serve from?
We operate from Carson, CA, serving local clients and Subaru enthusiasts across Southern California.
Reviews (6)
Will K.
Apr 06, 2022
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I called the shop for some advice and they happily gave me great advice without charging me a dime. I'm going to swing by with my STI just for fun cuz they seem like such a cool shop!
Avery Hightower
Dec 14, 2021
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Awesome customer service, built my engine for my bugeye. Found me a set of heads after discovering that mine were cracked. Can't say enough about them really.
Eva Contreras
Oct 16, 2021
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The Renner team will be my first choice when it comes to any upgrade work on my subi. They were very helpful, professional, and very knowledgeable. Downpipe and exhaust, stage 2 map, and intake for now but many more upgrades coming soon. Thanks guys. Services: Engine repair, Auto engine tuning
Mando G.
Sep 14, 2021
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Excellent work with honest pricing. I highly recommend this shop for all subaru maintenance services.
Cinetrucker
Sep 05, 2021
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Best shop you will find for your Subaru. From maintenance to custom work they are the most knowledgeable and skilled guys out there.
Jackie Loza
Aug 07, 2021
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I only trust the guys at Renner on my Subi. They are always booked but they are on top of everything. Thorough and very kind. I appreciate them for their hard work. Services: Engine repair, General repairs & maintenance
