TurboKits.com Stage 3 Power Package

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Special Price $3,049.00 Regular Price $3,459.00
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Stage 3 CLA 250 Package
- TurboKits.com FMIC Kit - $745.00
- TurboKits.com 3" Downpipe - $995.00
- TurboKits.com BOV Spacer - $95.00
- AEM Intake - $325.00
- AMR Stage 3 Flash w- Hand Held Tuner - $1299.00
TOTAL - $3459.00 *when purchased separately


*Great gains above 4500 RPMs from FMIC and downpipe. Peak gains stay about the same.

TurboKits.com CLA 250 FMIC Kit

Massive 24.0"x11.78"x3.0" Intercooler Core
Mounting Brackets & Hardware
TK.com Exclusive Turbo Baffle Delete Adapter
Billet CNC OEM Style Piping Adapter
Turbo Hot Side Aluminum Charge Pipe
(2) 90* 4 Ply Silicone Couplers
(6) Stainless T-Bolt Clamps
Step by Step Installation Instructions

The quality, fit, and finish of our CLA intercooler upgrade is amazing. When compared to the stock unit, the gains start at a respectable 8 Wheel HP and 12 ft/lbs of Tq at the tires, BUT to our surprise, on the SECOND run, the factory intercooler heat soaked so terribly that the increase jumped to 20 Wheel HP and 23 Wheel Tq, then went as high as 50 Wheel HP above 4500 RPM!

Our Mercedes-Benz CLA 250 Front Mount Intercooler Kit (FMIC) starts with a huge 24.0"x11.78"x3.0" bar and plate core. The leak tested core utilizes the same fin height for both internal and external rows with the external fins being louvered and offset from the internal fins. While this design has better heat transfer capabilities, pressure drop can increase. Normally, we would use plain style fins for the internal passages, especially on such a long core (24" long), however, we were able to help with the pressure drop by increasing the fin height from 0.25" to 0.375", resulting in outstanding cooling characteristics while maintaining minimal pressure drop. To further disperse the turbo air charge evenly across the entire core, we cast an internal splitter in the end tanks which also increases velocity. What is the result? A 50% reduction in air intake temps, gains reaching to 25HP and 25TQ above a heat soaked stock unit, and optimized engine efficiency through a colder, denser air inlet charge which the stock ECU will account for. Real gains of 50+ HP above 4500 RPM! All from an intercooler upgrade…

Ok I want it, but what about installation? I don't want to tear my car apart! Don't worry, once the bumper is removed (very easy), the intercooler can be installed in roughly an hour. Actually, the DYNO testing and installation of our FMIC was done without unstrapping the car from the DYNO! Not only did we do this to prove the ease of installation, but also to guarantee the most accurate DYNO results. The car could be returned to stock very easily.

TKcom High Flow CAT Downpipe

Mandrel Bent Stainless Steel
Precious Metal High Flow CAT for NO CELS!
Laser Cut Flanges
Modular Mounting for easy install
Tons of flow

*Plus we have included a 2000* Thermal Coating for a Stealth Look for the first 5 orders.

This downpipe, tested on our CLA 250 development car, is unrestrictive even at the 350 HP level! Better flow, more torque, more HP, and great fitment. The Catalytic converter used is a genuine precious metals high flow cat that is 49 state street legal and TUV approved and will not throw a CEL.

Blow-Off Valve Spacer

- Machined From Solid Billet Aluminum
- Longer Stainless Steel Hex Bolts
- 5mm Ball End Hex Key
- High Quality O-Rings
- That Awesome BOV “Whoosh” Sound

TurboKits.com is proud to introduce our Billet Aluminum Blow Off Valve (BOV) Spacer specifically engineered for the Mercedes CLA 250 / C300.  The spacers were developed in conjunction with Forge Motorsport, and they are only available through TurboKits.com.  That great atmospheric BOV sound is expected from your turbocharged vehicle, except it’s not there on your CLA 250 / C300.  Specially CNC machined from solid billet aluminum, this spacer gives you that sound you have been looking for.  When letting off the throttle you get that sweet and satisfying “whoosh” letting everyone know your CLA 250 is in fact turbocharged.  It has been designed to work with the original electrically controlled solenoid and utilizes high quality o-rings for a perfect seal.
Mercedes equipped the CLA 250 / C300 with a recirculating style BOV, which allows the charge air to be routed around the turbocharger from the boost side back to the intake side.  The downside to this style of system is it recirculates the hot air back into the intake side of the turbo, increasing temperatures.  When equipping a vehicle with a spacer like ours, it helps remedy this issue.
This great solution for open air venting comes in an exclusive kit only from us and includes everything you will need for the install.  We supply three new cap head hex bolts as well as a ball end hex key; no need to go digging through the top drawer of your tool box.  The special ball end key helps with replacement of the hardware, allowing you to access the bolts from a better angle with more room.

"This is by far the best mod I've bought for my 250. And one of the best $100 I've ever spent. Had on my car for 6 months now, still loving it!” - rxccode (MB CLA Forum), Nebraska.

Cold Air Intake

•Increased horsepower and torque
•Tuned and dyno-tested to improve acceleration and engine sound
•Easy to install using commonly available tools
•Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
•Washable and reusable oil-free filter media
•AEM Lifetime Limited Warranty

The AEM 21-781DS Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle’s restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Mercedes Benz CLA250 models. Air enters the system from the factory fresh air inlets, through replacement air ducts and into a roto-molded, aerodynamic AEM air box containing an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. This air intake system was developed to accommodate the engine’s factory emissions control devices including the ECU. The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-781DS vehicle applications to determine the legal status for each vehicle.

Estimated Horsepower Gain 10 HP @ 3300 RPM
Air Filter Color Red
Air Filter Material Non-woven Synthetic
Air Filter Outlet Shape Round
California Restricted Not legal for sale or use in California
Clamp Material No Clamps Required
Clamp Style No Clamps Required
Clamps Included No Clamps Included
Intake Pipe Color / Finish None
Intake Pipe Material No Tube
Product Box Height 9.81 in (249 mm)
Product Box Length 36.31 in (922 mm)
Product Box Width 22.81 in (579 mm)
Product Style AEM Cold Air Intake System
Replacement Filter 21-1015DK
Street Legal In All US States No
TUV Approved (Europe) No
Weight 12.6 lb (5.7 kg)

Horsepower gains based on similar vehicle dynamometer test. Results will vary.

AMR ECU Software Upgrade

This purchase is for the installation and AMR Performance ECU Software install and will require the ECU to be shipping to AMR Performance HQ.

HP Gains:
Torque Gains:
Vehicle Application:
2014+ Mercedes Benz CLA 250

Octane(s) Available:
•91 Octane
•93 Octane
•95 Ron (euro)
•98 Ron (euro)

AMR Performance Enhancement Features:
•Optimized Fuel Mapping
•Optimized Timing Curve
•Speed Limiter Removed
•Improved Fuel Efficiency
•Broader & Stronger Power Band
•Lower RPM Hesitation Eliminated
•Increased Turbocharger Response
•In-House Engineered & Tested Results
•Smoother Firmer Transmission Shift Patterns

After hours of data acquisition and numerous runs on the dynamometer, AMR Performance has engineered and developed ECU Software upgrade(s) for the Mercedes Benz CLA 250. Not only does this upgrade give the vehicle an increase in horsepower, torque, but also increase the turbocharger’s response, increase in boost levels, optimal fuel curve, and an increase in throttle response! This well engineered recipe turns this normally commuter vehicle into a torque filled throttle happy warrior!

For CA Proposition 65 Warning: Click Here

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