Looking for that extra aggressive growl your 6.1L/6.4L Hemi-powered 2005-2014 Charger SRT-8, 2006-2008 Magnum SRT-8, or 2005-2014 Chrysler 300C SRT-8 seems to be missing? Look no further than the LoudMouth Cat-Back Exhaust System. Choose between the LoudMouth or LoudMouth II modular designs, both of which feature interchangeable resonators (ordered individually). Notice gains of up to 12 horsepower while retaining the power to change the performance and noise level characteristics of your exhaust by simply switching from bullet-style mufflers, to more aggressive bullet-style resonators.
Mandrel-bent 3-inch stainless steel tubing allows for unrestricted flow, matched to an integrated PowerFlo-X crossover pipe that bolts to the factory 2.75-inch down pipes. A pair of 4-inch double-wall polished tips with the SLP logo round out the sleek look.
NOTE: This exhaust produces less back pressure then the stock exhaust. Because of the reduced back pressure, some 6.4L SRT8 cars might display the SES light, which can be fixed with a tune.
NOTE: If upgrading to our Long Tube Headers use part# D30003/D30003A/D30007 with 2.75-inch outlet down-pipes.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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