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84-91 BMW 3-Series E30 325 GT35 Turbo Downpipe Kit Bolt On
(1 Reviews)
Availability: In Stock
Product Usually Ships Out Within 1-3 Business Days

PRODUCT ID# 163460

$ 1128.84
List Price: $1467.49
You save: $338.65 (23.08%)

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Re-designed New manifold, Clears Oil Filter, Turbo Moves forward.

3" Downpipe, V-band

38mm Wastegate, 8 PSI, External

GT35 Big Turbo, Up to 400 HP

Comes with Oil Sandwich and Oil Line. Bolt on fit.

3" Catback System, 7" Big Muffler with Deep Sound, 4.5" Tip

We developed a few products for the E30 and fully tested and dyno. The car we used is a 89 325I Stock Engine, Stock Fuel System. According to BMW, this engine produces 168HP and 166 ft-lbs when the car was brand new. We did not dyno the car before the mod, but after almost 20 years in use, we estimate the actual power is around 125HP and 130 ft-lbs. These are the #s we got from dyno:

 NA Header with 3" Catback: 152 HP, 165 ft-lbs

GT35 Turbo kit with 3" Catback: 211 HP, 205 ft-lbs

Check out Dyno Results and Videos from below pictures.

These #s are very good, consider the engine and fuel system is 100% stock. we Believe with proper Built Engine, fuel system and tuned, our turbo kit can produce around 400HP.  NA Header can produce 180HP.

We just want to produce hardware kits, so that you can take the advantage of the kits and tune the car to the HP range you preferred to build. Any questions, you can contact us or check our CXRacing website.

Our kit has been fully tested, not like other kits offered on the market, many of them are universal parts, none of them work nor fit. We develop products with actual car and even consider many small details, such as the intake connector of the Idle control, turbo oil restrictor. you will run into problems without these little small parts.

 CXRacing Performance Products are widely used on many applications, especially in drfting. Our Products offers great Performance result with the most competitive price.

Re-designed New manifold, Clears Oil Filter, Turbo Moves forward. Support both T3 and T4 turbo.

3" Downpipe, V-band. Due to BMW's dual Tube Exhaust design, you will need to modify your existing catback to fit this single tube downpipe. We do offer a complete 3" catback system that fits with this turbo, check our other listing.

GT35 Big Turbo, Up to 400 HP. Turbo is both oil and water cooled, we only use oil cool only, but you can also use water cool as well.

Comes with Oil Sandwich and Oil Line. Bolt on fit.

3" Catback System (NOT Included in this product, but Available, check our other listings)

38MM Wastegate, 8 PSI

This Kit Replaces the Following Stock Parts

Convert NA to Turbo


This Turbo kit comes with 30 days Standard Warrantee after delivery date, free of charge.

Extended Warrantee is available, 200 for 6 months and 350 for 1 year. please contact us.

See bottom of this listing for detailed Warranty information

Item Included

Stainless Steel Turbo Exhaust Manifold

GT35 Turbo Charged with Oil Fitting, Oil feed Line and Oil Sandwich. We provide Oil Return Push in Flange and Oil Weld on Steel Connector to the oil pan. GT35 Turbo is 4" inlet and 2.5" outlet

38MM Wastegate, 8PSI

3" 304 Stainless Steel Downpipe+V-band Clamp

  Seth W.  -   Intercooler Piping Kit + BOV SR20DET 89-94 240SX S13   (Dallas, PA)
Easy to install. Highly recommended
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