Engine Performance

Some power upgrade manufactures we carry are below. Be sure to inquire about any companies you see or don’t see and we’ll give you our best suggestions for your application.

AMS, Akrapovic, KLEEMANN, Unitronics, Softronic Porsche Tuning, Weistec, iPE Exhaust, Meisterschaft, Quaife, Shep Trans, HKS, Active Autowerke, Carbonino, BMC, COBB Tuning, JE Pistons, Manley, TiAL, Ferrea, APR Fastners, AWE Tuning, Greddy, VF Engineering, ESS Tuning, TPC Racing, Switzer.

AMS Main

AMS Performance “Alpha”

AMS is the most famous American tuner for Nissan GT-R and Mitsubishi Evolution EVO. They are the company who’s cars hold notorious ammount of wins and track time records. They are also the company which is known for 1200whp Nissan GT-R “Alpha” packages.


Akrapovic Main


Light Titanium exhaust systems for Porsche, BMW, GTR etc. Proven power gains, amazing sound and proven track record with numerous racing teams. This is the absolute best automotive exhaust we carry.



iPE Innotech Performance Exhaust

iPE (Innotech Performance Exhaust) is the world’s leading manufacturer of sophisticated performance exhaust systems specially designed for super cars such as Lamborghini, Ferrari, Porsche, and many others.
iPE was established by a team of dedicated engineers and professional designers; whom after many years of manufacturing cars exhaust systems, realized that there was a need for a more personalized and superior exhaust system for super cars.
iPE pioneers with the Valvetronic exhaust system which provides an amazing exhaust sound emission while increasing the overall performance of super cars.
iPE has the most distinctive dedication, competency in craftsmanship, advanced technology, product dependability, and a constant development and improvement of our products.

iPE believes that all drivers have the right to upgrade their car with a signature style. Enjoy a better driving while experimenting a more exciting journey! Experience the difference!

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Weistec Engineering

Weisetec introduces the supercharger system for your 63AMG Mercedes motor (M156). With over 140hp gain from just stage 1, this will make your 63 into an very capable racecar. ACG is an exclusive, authorized installation facility for Weistec kits!


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Unitronic Chipped

Unitronic brings you the smoothest and most reliable power gains available for your Volkswagen and Audi. All software is precisely tuned for diverse driving conditions to give you the most control possible. All software upgrades are designed to offer your car the highest level of performance and reliability. By offering a non-transferable lifetime limited warranty on our performance flashes, they are setting the standard for the ECU tuning industry.


Kleemann Mercedes SLS AMG

KLEEMANN Performance

Kleemann is one of the biggest names in the world of Mercedes-Benz tuning. From simple ECU flashes to advanced engine builds, KLEEMANN is a great choice for a solid performing and dependable parts. See inside for details and contact us for best prices.


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HKS Performance

This legendary Japanese tuning company is mostly known for the products that have an ideal combination of performance, fit, completeness and weight. Everything is tested and every package is guaranteed to produce the advertised result. Contact for best pricing!


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Active Autowerke

If you have a BMW of any kind, you simply have to see what Active offers for it. From supercharges to exotic sounding exhausts, the lineup is very rich. The parts are of very high quality and they are offered at very resonable price. This is our BMW tuner of choice.


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CARBONIO Carbon Parts

Carbonio makes top of the line carbon fiber engine bay cosmetic parts and is famous for their intakes. Carbonio competes with the best in the industry with their top quality of carbon, intake air flow optimization strength and power gains.

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COBB Tuning AccessPORT

AccessPORT is #1 tuning tool for your Nissan GTR R35. No aftermarket modification will ever perform to its maximum ability without a custom software. AccessPORT will allow to upload that custom software to your ECU. See inside for more information!

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QUAIFE ATB Limited Slip

Quaife is thr #1 name in Limited Slip Differential upgrades. ACG / ACG is an authorized dealer for Quaife and we can install these for you in-house. Look inside to see the description of this product and the effect it has on your car!


Meisterschaft Main


These are some of the best sounding and performing exhausts on the market. Whether you are into saving weight with the titanium or freeing up those extra ponies with the stainless steel exhaust versions, we have you covered! Best value you can get!


Softronic Main

Softronic Porsche Tuning

Softronic allows you to tune your own car through OBDII port. Massive, safe power gains and the ability to flash back to stock before going to a dealer! We are your exclusive SoCal distributor / Installation facility.