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Flowmaster 817451 Flowmaster Force II Cat-back Exhaust System
- Regular price
- $1,140.00 USD
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- $1,140.00 USD
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Description
xThis Force II® Cat-back exhaust system is specifically designed for 2011-2019 GM Silverado/Sierra 2500HD/3500HD crew cab/short bed trucks with the 6.0L engine. This emissions legal system is constructed from 3.50-inch mandrel-bent stainless steel tubing flowing into a 50 Series Big Block™ performance muffler for a mild to moderate tone inside and moderate sound level outside the truck. The tailpipe exits behind the right rear tire, which is ideal for towing applications, and is finished off with a large 4.00-inch polished stainless steel tip. The system uses the factory hanger locations making for a quick and easy installation. Includes all necessary parts, hardware, and detailed instructions for an easy installation you can do at home. Covered by our Limited Lifetime Warranty. Note: Fits 2 and 4 wheel drive Crew Cab models with the 6.5ft bed.
Specifications:
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| 2874 | 0 |
| Category | Exhaust |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | Force II |
| 11205 | Silver |
| 9874 | Welded |
| 9876 | Angled |
| 1162 | 4.00 |
| 9877 | Rolled Edge Angle Cut |
| 1163 | Polished |
| 9881 | No |
| 10104 | 10.00 |
| 1164 | 304 Stainless Steel |
| 1161 | 1 |
| 9878 | No |
| 10980 | Round |
| 9875 | Single Wall |
| 9870 | Single Out Side |
| 200 | Natural |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 3.50 |
| 596 | Flanged |
| 9871 | 3.50 |
| 92 | No |
| 9884 | 5.00 |
| 1892 | 22.00 |
| 4372 | 409 Stainless Steel |
| 4373 | Oval |
| 9882 | Black High-Temperature Paint Finish |
| 4367 | No |
| 4368 | No |
| Muffler Included | Yes |
| 9962 | Slip-Fit |
| 4365 | 3.50 |
| 4366 | 3.63 |
| 9963 | Slip-Fit |
| 4375 | 1 |
| Muffler Part Number | Kit Only |
| 4374 | 1 |
| Muffler Series | 50 Series Big Block |
| 1174 | Chambered |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Moderate/Mild |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 3.50 |
| 4376 | 1 |
| Tail Pipe Quantity | Single |
| 4370 | No |
| 26 | Cat-Back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| Drive | 4WD |
| Drive | 2WD |
| 9885 | 12.00 |
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| 2874 | 0 |
| Category | Exhaust |
| 3728 | Flat Band |
| 1882 | Yes |
| Emission Code | 5 |
| Exhaust Series | Force II |
| 11205 | Silver |
| 9874 | Welded |
| 9876 | Angled |
| 1162 | 4.00 |
| 9877 | Rolled Edge Angle Cut |
| 1163 | Polished |
| 9881 | No |
| 10104 | 10.00 |
| 1164 | 304 Stainless Steel |
| 1161 | 1 |
| 9878 | No |
| 10980 | Round |
| 9875 | Single Wall |
| 9870 | Single Out Side |
| 200 | Natural |
| 353 | No |
| 3390 | Performance |
| 4364 | Yes |
| Heat Shield Included | No |
| Inlet Diameter | 3.50 |
| 596 | Flanged |
| 9871 | 3.50 |
| 92 | No |
| 9884 | 5.00 |
| 1892 | 22.00 |
| 4372 | 409 Stainless Steel |
| 4373 | Oval |
| 9882 | Black High-Temperature Paint Finish |
| 4367 | No |
| 4368 | No |
| Muffler Included | Yes |
| 9962 | Slip-Fit |
| 4365 | 3.50 |
| 4366 | 3.63 |
| 9963 | Slip-Fit |
| 4375 | 1 |
| Muffler Part Number | Kit Only |
| 4374 | 1 |
| Muffler Series | 50 Series Big Block |
| 1174 | Chambered |
| part type | Exhaust System |
| 3530 | 409 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Moderate/Mild |
| 4377 | No |
| Sub Category | Exhaust and Tail Pipes |
| 4369 | 3.50 |
| 4376 | 1 |
| Tail Pipe Quantity | Single |
| 4370 | No |
| 26 | Cat-Back |
| 6014 | No |
| 2126 | Not Applicable |
| Warning | California Proposition 65 |
| Pipe Color | Silver |
| Drive | 4WD |
| Drive | 2WD |
| 9885 | 12.00 |
| Description_ABR | SYS 11-19 GM |
| Description_SHO | SYS 11-19 GM 2500HD |
| Description_INV | 11-19 GM 2500HD 6.0L CC/SB FII SOS |
| Description_ASC | Fits 2011-2019 Chevrolet/GMC 2500/3500HD trucks with 6.0L engine. Fits 2/4 wheel drive Crew cab/short bed models. |
| Description_DES | Flowmaster Force II Cat-back Exhaust System |
| Description_EXT | 2011-2019 Chevrolet/GMC 2500/3500HD trucks with 6.0L engine. Fits Crew cab/short bed. - Moderate to mild sound |
| Description_MKT | This Force II® Cat-back exhaust system is specifically designed for 2011-2019 GM Silverado/Sierra 2500HD/3500HD crew cab/short bed trucks with the 6.0L engine. This emissions legal system is constructed from 3.50-inch mandrel-bent stainless steel tubing flowing into a 50 Series Big Block™ performance muffler for a mild to moderate tone inside and moderate sound level outside the truck. The tailpipe exits behind the right rear tire, which is ideal for towing applications, and is finished off with a large 4.00-inch polished stainless steel tip. The system uses the factory hanger locations making for a quick and easy installation. Includes all necessary parts, hardware, and detailed instructions for an easy installation you can do at home. Covered by our Limited Lifetime Warranty. Note: Fits 2 and 4 wheel drive Crew Cab models with the 6.5ft bed. |
| Description_FAB | Includes Hangers and Hardware for and Easy Installation |
| Description_FAB | Large 4.00-inch Polished 304 Stainless Steel Tip |
| Description_FAB | 3.50-inch Mandrel bent Stainless Steel Tubing |
| Description_FAB | Connects After Factory Catalytic Converter |
| Description_FAB | 50 Series "Big Block" Performance Muffler |
| Description_FAB | Uses the Factory Hanger Locations |
| Description_FAB | Moderate Exterior Exhaust Tone |
| Description_FAB | Quick and Easy Easy Installation |
| Description_FAB | Lifetime Limited Warranty |
| Description_ABR | SYS 11-19 GM |
| Description_SHO | SYS 11-19 GM 2500HD |
| Description_INV | 11-19 GM 2500HD 6.0L CC/SB FII SOS |
| Description_ASC | Fits 2011-2019 Chevrolet/GMC 2500/3500HD trucks with 6.0L engine. Fits 2/4 wheel drive Crew cab/short bed models. |
| Description_DES | Flowmaster Force II Cat-back Exhaust System |
| Description_EXT | 2011-2019 Chevrolet/GMC 2500/3500HD trucks with 6.0L engine. Fits Crew cab/short bed. - Moderate to mild sound |
| Description_MKT | This Force II® Cat-back exhaust system is specifically designed for 2011-2019 GM Silverado/Sierra 2500HD/3500HD crew cab/short bed trucks with the 6.0L engine. This emissions legal system is constructed from 3.50-inch mandrel-bent stainless steel tubing flowing into a 50 Series Big Block™ performance muffler for a mild to moderate tone inside and moderate sound level outside the truck. The tailpipe exits behind the right rear tire, which is ideal for towing applications, and is finished off with a large 4.00-inch polished stainless steel tip. The system uses the factory hanger locations making for a quick and easy installation. Includes all necessary parts, hardware, and detailed instructions for an easy installation you can do at home. Covered by our Limited Lifetime Warranty. Note: Fits 2 and 4 wheel drive Crew Cab models with the 6.5ft bed. |
| Description_FAB | Includes Hangers and Hardware for and Easy Installation |
| Description_FAB | Large 4.00-inch Polished 304 Stainless Steel Tip |
| Description_FAB | 3.50-inch Mandrel bent Stainless Steel Tubing |
| Description_FAB | Connects After Factory Catalytic Converter |
| Description_FAB | 50 Series "Big Block" Performance Muffler |
| Description_FAB | Uses the Factory Hanger Locations |
| Description_FAB | Moderate Exterior Exhaust Tone |
| Description_FAB | Quick and Easy Easy Installation |
| Description_FAB | Lifetime Limited Warranty |
Vehicle Fitment
xShipping
xSHIPPING & DELIVERY INFORMATION
Free Shipping
- Eligibility: Orders over $99 in the USA & Canada.
- Exceptions: Oversized or heavy items may incur extra fees (we’ll notify you before shipping).
- Non-Eligible Areas: Vancouver Island, Yukon, NWT, Nunavut, Alaska, Hawaii, Puerto Rico & other U.S. territories.
Fast Shipping
- Processing: Orders placed before 2 PM usually ship the same day.
- Delivery Time: 2–5 business days via Purolator, FedEx, or Loomis Express.
- Note: Delivery may take longer for distant warehouses or inter-warehouse transfers.
Shipping Limitations
- No P.O. Boxes: Please provide a physical address.
- Remote Areas: Free shipping excludes remote regions.
Special Orders & Backorders
- May incur additional handling fees (discussed before shipping).
- You may cancel if costs are too high for a full refund.
Warranty
- For internal damage or missing parts, contact the manufacturer directly for faster service.
- After 30 days, contact the manufacturer first — if unresolved, our team will assist.
Oversized Items
- Shipped via LTL Freight (items over 150 lbs or large dimensions).
- We’ll confirm any added costs before shipping.
- Examples: Large Fridges, Oversize Toolbox or Tanks, Drop in Bed liners, Wheel to Wheel Step bar & Running Boards, Large Roof Cargo Box, Heavy Bumpers, RV Doors, Oversize, Roof Tent, Large gas tank, Oversize Grille Guards, Fifth Wheel Hitch, Sofa , Trailer Axle.
- Special Handling Fees: Items like batteries may incur additional shipping fees.
Returns & Cancellations
In-Stock Items
- Cancel before shipment; once shipped, standard return policy applies.
- 20% restocking fee, excluding oversize item. Both way shipping is customer responsibility under store error.
Backorders / Special Orders
- 5% restocking fee applies if canceled within 30 days.
- Non-cancellable once shipped from the manufacturer.
- Refused Deliveries: Refund minus shipping & restocking fees (excludes special orders).
- Payment Disputes: Chargebacks do not cancel orders — please contact us directly.
Core Fees
- Not included in the purchase price.
- Refundable upon return of the old part in usable condition.
If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.
Why Us
xWhy Choose MyTruckPoint?
When it comes to your truck, compromise is not an option. At MyTruckPoint, we deliver the quality, speed, and trust that professionals across Canada depend on every day.
🇨🇦 Trusted Across Canada for 10+ Years
A decade of proven reliability serving truck owners, fleets, and businesses nationwide. We’ve built our reputation by delivering consistent quality and dependable service.
📦 100,000+ Orders Delivered
Over one hundred thousand successful orders — every one backed by accuracy, speed, and customer satisfaction you can count on.
✅ Authorized Dealer of Leading Brands
No knock-offs. No compromises. Only genuine parts from top-tier brands, ensuring performance, safety, and long-term value.
💪 Built for Performance & Durability
Our parts are selected to handle real-world demands — tough jobs, long hauls, and harsh conditions. Because your truck deserves the best.
💰 Competitive Pricing Without Cutting Corners
Premium quality doesn’t have to mean premium prices. We deliver exceptional value so you get more for every dollar spent.
⚡ Fast, Reliable Shipping
Downtime costs money. That’s why we process orders quickly and deliver efficiently — so you can get back on the road faster.
🧠 Expert Support You Can Rely On
Not sure what you need? Our experienced team is here to guide you with honest advice and the right solutions — every time.
🤝 Customer-First Commitment
We stand behind every order. Your satisfaction isn’t optional — it’s our priority.
MyTruckPoint — Trusted by Thousands. Built for the Road.
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