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SKU: 35101110 | UPC: 842422176815
Kooks 1-5/8" x 1-3/4" Torque Series Shorty Headers for 2009–2018 Dodge/Ram 1500 5.7L HEMI
The Kooks 35101110 1-5/8-inch to 1-3/4-inch stepped Torque Series shorty headers deliver a direct bolt-on replacement for factory manifolds on 2009–2018 Dodge/Ram 1500 trucks with the 5.7L HEMI V8, providing dyno-verified gains of 25+ rear-wheel horsepower at 5500 RPM and 40+ lb-ft of torque at 4100 RPM through optimized exhaust scavenging and reduced backpressure that enhances low-end pull and mid-range responsiveness.
Constructed from heavy-duty 16-gauge T304 stainless steel tubing with patented scavenging spikes, one-piece merged collectors, and 3/8-inch thick D-shaped port flanges, this system connects directly to the OEM catalytic converters for seamless integration that supports up to 650 HP from tunes or cams while preserving emissions compliance in 49 states. The shorty design minimizes ground clearance issues on stock or mildly lifted trucks, ensuring a throaty V8 rumble without drone during towing up to 10,000 lbs or daily highway runs.
For Ram 1500 owners seeking immediate torque improvements and durable construction without the complexity of long tubes, the 35101110 kit unlocks the HEMI's potential for work, play, or performance demands.
Key Features
- Stepped 1-5/8" to 1-3/4" Primaries: Mandrel-bent for progressive velocity and torque-focused flow.
- T304 Stainless Steel Tubing: 16-gauge walls with full TIG welds for corrosion resistance and heat endurance over 1,600°F.
- Patented Scavenging Spikes: Integrated in collectors to pull exhaust pulses and boost cylinder evacuation.
- 3/8-Inch D-Shaped Flanges: Precision-cut for leak-free sealing against HEMI heads.
- One-Piece Merged Collectors: Reduces turbulence for smoother transitions to OEM cats.
- Dyno-Proven Output: 25+ RWHP at peak RPM and 40+ RWTQ mid-range over stock manifolds.
Product Notes
- 49-state EPA compliant not for sale or use in California or CARB states without exemption.
- Provisions for EGR included; fits 2WD and 4WD configurations.
- OEM catalytic converter direct connection; no O2 sensor relocation needed.
California Proposition 65: Contains chemicals known to the State of California to cause cancer or reproductive harm.
Warranty: Limited lifetime on stainless construction to original purchaser.
Installation Notes
- Professional installation recommended lift required for underbody access.
- Remove stock manifolds torque flanges to 25-30 ft-lbs in sequence with anti-seize.
- Bolt to OEM cats using provided hardware no cutting or welding necessary.
- Perform heat cycle and recheck torque after 100 miles.
This Part Fits
| Year | Make | Model | Submodel/Engine |
|---|---|---|---|
| 2009–2018 | Dodge/Ram | 1500 | ST, SLT, Big Horn, Sport, Laramie, Tradesman, Express - 5.7L HEMI V8 (VVT) |
| 2011–2018 | Ram | 1500 | Outdoorsman, SXT, Rebel, Limited, Lone Star - 5.7L HEMI V8 (VVT) |
| 2019–2023 | Ram | 1500 Classic | Tradesman, Big Horn, Lone Star, Express, Warlock, SLT - 5.7L HEMI V8 |
Note: Fits all cab styles and drivetrains with 5.7L VVT HEMI. Excludes 1500 Classic Rebel/Warlock.
What's Included in the Purchase
- (2) 1-5/8" x 1-3/4" Stepped Shorty T304 Stainless Headers with Merged Collectors
- Gaskets and Stage 8 Locking Header Bolts
- Hardware Kit for Flange and Collector Connections
- Detailed Installation Instructions with Torque Specs
- Part Number: Kooks 35101110
Why Choose Kooks?
- Over 60 years of exhaust engineering with NHRA, NASCAR, and SCCA championships.
- Handcrafted in the USA from T304 aircraft-quality stainless steel.
- Limited lifetime warranty and dyno-proven for reliable torque delivery.
Frequently Asked Questions
-
Q: Does this fit my 2015 Ram 1500 Rebel 5.7L?
A: Yes, direct bolt-on for all 2009–2018 Ram 1500 trims including Rebel with stock manifolds. -
Q: Will it connect to my stock cats?
A: Yes, designed for OEM catalytic converter flanges without adapters. -
Q: What torque gains can I expect?
A: 40+ lb-ft at 4100 RPM, with peak increases up to 25+ HP at 5500 RPM.
Shipping & Handling
- Method: UPS or Fed Ex Ground.
- Availability: Typically ships same day or next if in stock.
- Packaging: Heavy-duty wooden crate with foam protection.
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