The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly.
Brand:
ES#:
4420002
Mfg#:
CTS-HW-380
Ships on Oct 1, 2026
ON SALE!
SAVE 15%
$99.99
This product was last offered at the strikethrough price on 08-26-2026
Designed to maintain reliable clamping force under sustained heat and load, addressing the limitations of OE torque-to-yield head bolts that can stretch and degrade at higher power levels.
2X Entries Into Our F80 M3 Sweepstakes
Gain up to 100 horsepower and 112 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4375901
Mfg#:
30T-EA839-1+-UC
In Stock
ON SALE!
SAVE 14%
$1064.99
This product was last offered at the strikethrough price on 08-23-2026
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
2X Entries Into Our F80 M3 Sweepstakes
This complete Turbocharger Installation Hardware/Gasket Kit for the B9/B9.5 Audi S4/S5/SQ5 equipped with the single-turbo EA839 3.0T includes everything you need to install a new stock-fit turbocharger.
2X Entries Into Our F80 M3 Sweepstakes
Equipped with the same precision-engineering as its Touring Edition counterpart, minus the resonators up front and 180 Technology® resonators in the rear.
2X Entries Into Our F80 M3 Sweepstakes
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.