ARP TLX-ARP202-5402-CL360A70 Stud Kit 661317390705

( Brand: Arp ), ( Manufacturer Part Number: TLX-ARP202-5402-CL360A70 ), ( Item Weight: 2.7000 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year ), ( UPC: 661317390705 )

Review ARP Nissan Main Stud Kit fits SR20DET

The **ARP TLX-ARP202-5402-CL360A70** is a meticulously engineered, high-performance exhaust system specifically designed for the Nissan SR20DET engine, offering an unparalleled blend of aggressive styling, superior airflow, and enhanced exhaust note without compromising structural integrity or reliability. Crafted from **ARP s premium 304 stainless steel**, this kit features a **dual-tip, low-restriction design** that maximizes exhaust flow while delivering a deep, resonant growl that commands attention. The **5-inch diameter dual exhaust headers** are precision-machined with **ARP s proprietary 1000 F heat-treated tubing**, ensuring durability under extreme temperatures and preventing warping or distortion over time. Each header is equipped with **ARP s exclusive CL360A70 collector**, a **360-degree, low-restriction design** that minimizes backpressure while optimizing exhaust pulse for improved engine efficiency and torque. The **dual 5402 tips** are not only a striking aesthetic statement but also feature **ARP s signature flared exit**, which enhances the exhaust note while maintaining a clean, polished finish. This kit is built to withstand the demands of high-performance driving, making it an ideal choice for both street applications and light track use. Whether installed on a naturally aspirated SR20DET or paired with a forced induction setup, the **TLX-ARP202-5402-CL360A70** delivers a perfect marriage of performance and style, ensuring your Nissan stands out with a bold, aggressive exhaust tone that reflects its high-revving nature.

The **ARP TLX-ARP202-5402-CL360A70** is a high-performance exhaust system designed for the **Nissan Studebaker SR20DET** engine, offering improved flow and a sportier exhaust note. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the ARP TLX-ARP202-5402-CL360A70**

1. **Improved Exhaust Flow and Backpressure Reduction**

The ARP TLX system features a **larger-diameter exhaust header** and optimized baffling, which reduces backpressure compared to stock or aftermarket headers. This allows the engine to breathe better, especially under high RPM, leading to improved horsepower and torque.

2. **High-Quality Materials and Construction**

ARP is known for using **high-grade stainless steel** and **precision machining**, ensuring durability and resistance to corrosion. The headers are designed to handle high temperatures and stress, making them suitable for forced induction applications if properly supported.

3. **Sportier Exhaust Note**

The system produces a **more aggressive, linear exhaust tone** compared to stock or basic aftermarket headers. This is due to the larger diameter and optimized flow paths, which enhance the engine s natural sound without being overly loud (though it can be tuned further with a cat-back system).

4. **Compatibility with Forced Induction (When Properly Supported)**

While the stock SR20DET is naturally aspirated, this header can be paired with a **turbo or supercharger** (e.g., a stock or modified turbo setup) if the engine is adequately supported with upgraded internals (e.g., ARP head studs, reinforced crankshaft, and supporting components). However, this requires careful tuning and reinforcement.

5. **Better Heat Soak and Engine Cooling**

The larger exhaust headers help **distribute heat more evenly**, reducing the risk of localized hot spots that can weaken stock components. This can be beneficial for long-duration performance applications.

6. **Professional Installation and Support**

ARP offers **detailed installation guides** and often provides support for proper setup. While installation can be challenging (especially on the SR20DET due to space constraints), ARP s design accounts for common modifications, making it more forgiving than some alternatives.

7. **Potential for Increased Reliability**

If the engine is already running stock or near-stock components, upgrading to an ARP header can **reduce stress on the exhaust manifold** by reducing thermal cycling and improving flow. This may help prevent leaks or warping over time.

---

### **Cons of the ARP TLX-ARP202-5402-CL360A70**

1. **High Cost**

The ARP TLX system is **expensive** compared to other aftermarket headers for the SR20DET. Prices typically range in the **$1,200 $1,800 range**, depending on installation labor and additional components needed (e.g., gaskets, clamps, or supporting mods).

2. **Complex Installation**

The SR20DET s **compact engine bay** and **stock exhaust routing** make installation challenging. The ARP headers require **careful alignment** with the exhaust manifold and may necessitate modifications to the **firewall, exhaust hanger, or even the transmission tunnel** for proper routing. A **professional installer** is highly recommended.

3. **Limited Power Gains Without Supporting Mods**

While the header improves flow, **stock SR20DET engines are not built for high power**. Without supporting upgrades (e.g., **ARP head studs, crankshaft, connecting rods, upgraded fueling, and tuning**), the gains will be modest likely **5 15 HP and torque** depending on the engine s condition. Forced induction (turbo/supercharger) would require **significant reinforcement** to avoid catastrophic failure.

4. **Noise Considerations**

The exhaust note is sportier, but it can still be **loud enough to require a muffler or resonator** if you re sensitive to noise. ARP does not include a cat-back system, so you ll need to pair it with a **performance muffler** (e.g., MagnaFlow, Borla, or ARP s own cat-back options) for a balanced sound.

5. **Potential for Overheating Without Proper Support**

If the engine is **not adequately cooled** (e.g., stock radiator, thermostat, or cooling system), the improved exhaust flow can lead to **higher exhaust gas temperatures**, which may stress the **turbocharger (if equipped) or catalytic converter**. This is less of an issue on NA engines but something to monitor.

6. **Weight and Space Constraints**

The headers are **heavier than stock**, which may slightly affect drivability in a **lightweight car like the SR20DET**. Additionally, the routing may require **modifications to the firewall or exhaust hanger** to prevent rubbing or interference.

7. **Not a "Drop-In" Solution**

- Remove the **stock exhaust manifold** (which can be tricky due to the **turbo housing** on turbocharged SR20DETs).

- Adjust or replace the **exhaust hanger** to accommodate the new headers.

- Modify the **firewall** if the headers rub against it.

- Upgrade **clamps and gaskets** for a proper seal.

---

### **Conclusion**

The **ARP TLX-ARP202-5402-CL360A70** is one of the **best aftermarket headers** available for the SR20DET, offering **superior flow, durability, and a sportier exhaust tone**. It is particularly well-suited for:

- **Naturally aspirated SR20DET builds** looking to improve exhaust flow and reliability.

- **Turbocharged SR20DETs** that are **already heavily supported** (e.g., with ARP head studs, upgraded internals, and proper tuning).

- **Builds aiming for 300 400 HP ** with forced induction, provided all supporting components are upgraded.

However, it is **not a simple bolt-on** and requires **careful planning, modifications, and potentially professional installation**. The **high cost** and **complexity** mean it is best suited for **serious builders** rather than casual enthusiasts.

If your primary goal is **better flow and a sportier sound without major modifications**, a **less expensive header** (e.g., **JE Performance, Borla, or MagnaFlow**) might be a more practical choice. But if you re **committed to a high-performance SR20DET** and willing to invest the time and money, the ARP TLX is an **excellent long-term solution**.

---

### **Recommendation**

- **ARP head studs** (if not already installed).

- **Upgraded fueling** (e.g., **Megajet, Haltech, or standalone ECU**).

- **Reinforced internals** (if pushing for high power).

- A **performance muffler** (e.g., **ARP cat-back or MagnaFlow**).

- **Budget for installation labor** this is not a weekend project.

- **JE Performance 2.5" headers** (cheaper, still good flow).

- **Borla or MagnaFlow headers** (mid-range price, good quality).

- These may offer **similar benefits at a lower cost**, though with slightly less durability.

- **ARP head studs, crankshaft, connecting rods, and oil pump**.

- **A high-flow turbo (if turbocharged)**.

- **Proper tuning and fueling**.

- **Reinforced transmission and drivetrain**.

- **Do not skip supporting mods** this is a **high-stress setup**.

- **For the serious SR20DET builder**, the **ARP TLX is one of the best headers available**, offering **unmatched durability and flow**.

- **For casual builds or those on a budget**, a **more affordable header** may be a better starting point.

- **Always prioritize supporting mods** a header alone will not make your SR20DET reliable at high power levels.

Would you like recommendations on supporting mods or installation tips?

Details:

All kits come complete with hardened parallel-ground washers and high quality nuts. Built to outperform and outlast the competition. Supplier Title: ARP Nissan SR20DET Main Stud Kit. Part Number: 202-5402.

PRODUCT INFO: - ARP Nissan SR20DET Main Stud Kit,: FEATURES Kit. Made from the highest quality materials. Factory Sealed - Brand new in box. PRODUCT OVERVIEW: - There are many important reasons to use ARP main stud kits, including the elimination of cap walk and fretting, as well protecting threads in your engine block.

Some applications have provisions for mounting vintage trays and specially designed standoff studs with serrated lock nuts to position the tray it securely in place. The studs are manufactured from 8740 chrome Molly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat create a fastener that has 1000% stronger than others.

part #: 661317390705 price

• $198.11

specifications cranshafengin:

• for models: Sr20det
• for makes: Nissan
• brand: Arp
• mpn: Tlx-arp202-5402-cl360a70
• item weight: 2.7000
• fitment type: Direct Replacement
• generic keywords 1: See Notes
• intended use: Automobiles
• manufacturer warranty: 1 Year
• upc: 661317390705

offer cranshafengin:

• options: Ship-to-home
• quantity: 8
• sold: 0
• started: February 13, 2026
• availability: In Stock

returns cranshafengin:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments cranshafengin:

• wallet: Google-pay
• credit card: Visa
• other

seller cranshafengin:

• city: Whiteland, IN
• # reviews: 126546
• rating: 99.6%

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

shipping cranshafengin:

• type: Fixed
• class: Expedited
• service: Expedited
• cost: $0.00
• transit: 6-9 Days

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