Exhaust Guide
Best Exhausts for the
2005 – 2010 Chrysler 300: Every Cat-Back Compared
A complete comparison of cat-back exhaust systems for the 2005–2010 Chrysler 300 — covering the 5.7L Hemi (300C, AWD/RWD) and 6.1L SRT8. Sound profiles, materials (304 vs 409 stainless), pipe diameter, pricing, and fitment notes from CORSA, Borla, Flowmaster, MagnaFlow, and JBA.
At a Glance
Quick Comparison
| Brand / Kit | Sound Profile | Pipe | Material | Fits | Price | |
|---|---|---|---|---|---|---|
| JBA Cat-Back 5.7L | Sport | 2.5" | 409 SS | 5.7L Hemi |
|
SHOP → |
| Flowmaster American Thunder | Aggressive | 2.5" | 409 SS | 5.7L Hemi |
|
SHOP → |
| Flowmaster Force II | Moderate | 2.5" | 409 SS | 5.7L Hemi |
|
SHOP → |
| MagnaFlow Cat-Back | Street | 2.5" | 304 SS | 5.7L Hemi | $1,475 | SHOP → |
| Borla S-Type | Sport | 2.5" | 304 SS | 5.7L Hemi |
|
SHOP → |
| Borla ATAK | ATAK (Loudest) | 2.75" | 304 SS | 6.1L SRT8 |
|
SHOP → |
| CORSA Extreme | Xtreme | 2.5" | 304 SS | 5.7L Hemi |
|
SHOP → |
Important
What to Know Before You Buy
Cat-Back vs Axle-Back
This generation has cat-back only options. A cat-back replaces the mid-pipe and mufflers from the catalytic converter back. Full system upgrade, more performance gain. Both 5.7L Hemi and 6.1L SRT8 have dedicated systems; fitment varies by engine.
Sound Profile & Drone
Aggressive systems can drone at highway cruise. CORSA’s RSC (Reflective Sound Cancellation) and Borla’s designs reduce drone. Research sound clips and reviews before buying. Drone-free options (CORSA Extreme, Borla S-Type) cost more but improve daily drivability.
Materials: 304 vs 409 Stainless
304 stainless is more corrosion-resistant and premium. 409 stainless is budget-friendly and still durable. For long-term ownership in salt climates, 304 SS is the better choice. JBA and Flowmaster use 409; Borla, MagnaFlow, and CORSA use 304.
Emissions & Warranty
Cat-back systems install behind the factory catalytic converters, so they’re 50-state emissions legal. No tuning required. Borla offers Million-Mile Warranty; CORSA and Flowmaster offer limited lifetime coverage on many systems.
JBA Cat-Back Exhaust System: 300 / Charger / Magnum 5.7L Hemi 2005 – 2010
JBA’s Cat-Back Exhaust is the most affordable option in this guide. The 2.5-inch mandrel-bent 409 stainless system delivers a sport-oriented tone for 5.7L Hemi 300C, Charger, and Magnum. Dual rear exit with polished tips. USA-made with a reputation for fitment. Bolt-on installation using factory hanger locations.
409 stainless keeps cost down but is less corrosion-resistant than 304. Fine for dry climates; consider 304 SS if you drive in salt. Fits 2005–2010 Chrysler 300 5.7L Hemi (RWD and AWD). Does not fit 6.1L SRT8 — JBA offers a separate SKU for that.
Pros
- Lowest-priced cat-back in this guide
- USA-made; bolt-on install
- Sport sound; 5.7L Hemi fitment
Cons
- 409 SS; less corrosion-resistant
- 5.7L only; 6.1L SRT8 has separate kit
Flowmaster American Thunder Exhaust System: 300 / Charger / Magnum 5.7L Hemi 2005 – 2010
Flowmaster American Thunder delivers Flowmaster’s signature deep, aggressive tone for 5.7L Hemi 300, Charger, and Magnum. Dual 2.5-inch mandrel-bent tubing, Scavenger Series X-pipe, Super 40 mufflers. Polished 4-inch tips. Aggressive exterior sound with manageable interior volume. Lifetime Limited Warranty.
409 stainless construction; bolt-on using factory hanger locations. Fits 2005–2010 Chrysler 300 5.7L Hemi (RWD and AWD). Best value in the mid-price range for enthusiasts who want Flowmaster’s classic sound.
Pros
- Flowmaster signature deep tone
- Lifetime Limited Warranty
- Best value; bolt-on install
Cons
- 409 SS (not 304)
- 5.7L Hemi only
MagnaFlow Cat-Back Exhaust: Chrysler 300C 5.7L 2005 – 2014
MagnaFlow Street Series Cat-Back delivers a bold, resonant tone with dyno-proven performance. 2.5-inch mandrel-bent stainless piping, three straight-through mufflers, dual split rear exit with 4-inch polished rolled-edge tips. Moderate exterior and mild interior sound — the perfect balance for daily drivers who want presence without drone.
Full 304 stainless; limited lifetime construction warranty. Fits 2005–2014 Chrysler 300C 5.7L (spans both LX and LD generations). 3D-scanned for precise fitment; no cutting or welding. Best sound in the mid-tier for refined aggression.
Pros
- 304 stainless; limited lifetime warranty
- Moderate exterior, mild interior
- Fits 2005–2014 (LX + LD)
Cons
- 5.7L only; no 6.1L SRT8
- Milder than Flowmaster/Borla ATAK
Borla S-Type Exhaust System w/5" Rolled Edge Tips: Chrysler 300C / Dodge Charger / Magnum 2005 – 2010 (5.7L Hemi)
Borla S-Type delivers a deep, aggressive tone without cabin drone. Mandrel-bent T-304 stainless, 5-inch rolled-edge chrome tips, Merge X-Pipe for optimal flow. Million-Mile Warranty. Built for RWD and AWD 5.7L Hemi 300, Charger, and Magnum. The best overall pick for 5.7L owners who want Borla quality and sound.
Sport-oriented sound profile: bold at throttle, refined at cruise. No drone. Premium build and fitment. Fits 2005–2010 Chrysler 300C 5.7L Hemi. Does not fit 6.1L SRT8 — Borla ATAK covers that.
Pros
- Deep tone without cabin drone
- Million-Mile Warranty; 304 SS
- RWD and AWD fitment
Cons
- Premium price
- 5.7L only
Borla Cat-Back Exhaust ATAK: Chrysler 300 / Dodge Charger & Magnum 6.1L SRT8 2006 – 2010
Borla ATAK is Borla’s loudest, most aggressive sound profile. Engineered for 6.1L SRT8 300, Charger, and Magnum. 2.75-inch mandrel-bent T-304 stainless, Merge X-Pipe, ATAK mufflers. Maximum performance and head-turning sound. Million-Mile Warranty.
Fits 2006–2010 Chrysler 300 SRT8 6.1L (2005 did not have SRT8). Does not fit 5.7L Hemi. For SRT8 owners who want to be heard as well as felt, Borla ATAK delivers.
Pros
- Borla’s loudest sound profile
- 2.75" piping; 304 SS
- Million-Mile Warranty
Cons
- 6.1L SRT8 only
- Loudest option; not for everyone
CORSA Extreme Cat-Back Exhaust (Polished): Chrysler 300C / Dodge Charger / Magnum 5.7L Hemi 2005 – 2010
CORSA Extreme delivers CORSA’s most aggressive sound with zero drone. Patented RSC (Reflective Sound Cancellation) technology cancels resonant frequencies inside the cabin. Deep growl at idle, roaring bark under acceleration — all without highway drone. 2.5-inch mandrel-bent 304L stainless, +61% flow over stock, up to 10 HP / 13 lb-ft gains.
Fits 2005–2010 Chrysler 300C, Charger, Magnum 5.7L Hemi. Polished 3.5-inch Pro-Series dual-wall tips. Made in USA. The go-to for aggressive sound with daily-driver comfort. Also available in black tips.
Pros
- Xtreme sound with no cabin drone
- RSC technology; 304 SS
- Measurable power gains; USA-made
Cons
- Premium price
- 5.7L Hemi only
Fitment Reference
Which Kits Fit Your Trim?
| Trim | JBA | Flowmaster | MagnaFlow | Borla S-Type | Borla ATAK | CORSA Extreme |
|---|---|---|---|---|---|---|
| 300C 5.7L Hemi | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ |
| 300 SRT8 6.1L | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ |
✓ = Confirmed • ✗ = Excluded (separate SKU for 6.1L)
Common Questions
Frequently Asked Questions
What’s the difference between cat-back and axle-back exhausts?
A cat-back replaces everything from the catalytic converter to the tips (mid-pipe + mufflers + tips). More performance gain, full system. An axle-back replaces only the mufflers and tips from the rear axle back. For 2005–2010 Chrysler 300, only cat-back systems are commonly available.
Will an aftermarket exhaust void my warranty?
Cat-back systems install behind the factory catalytic converters and do not affect emissions equipment. They generally do not void the vehicle warranty. Check with your dealer if concerned.
Do exhaust systems add horsepower?
Yes. Cat-back systems typically add 5–15 HP and similar torque by reducing backpressure and improving flow. Gains vary by vehicle and system. CORSA and Borla publish dyno results.
What causes exhaust drone and how do I avoid it?
Drone is resonance at certain RPMs that amplifies inside the cabin. CORSA’s RSC technology and Borla’s designs reduce or eliminate it. Research sound clips and reviews before buying.
304 vs 409 stainless steel: which is better?
304 stainless is more corrosion-resistant and premium. 409 stainless is budget-friendly and durable. For long-term ownership in salt climates, 304 SS is the better choice.
I have a 6.1L SRT8. What exhaust fits?
Borla ATAK (140407) is the main cat-back for 2006–2010 Chrysler 300 SRT8 6.1L. JBA also offers a 6.1L-specific kit. 5.7L systems do not fit the 6.1L.
Ready to Upgrade Your Chrysler 300 Exhaust?
Compare cat-backs above, pick the right fit for your engine and budget, and order with confidence. Need help? Contact us.
