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Not sure which one? Ask us to confirm fitment first →For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. Outside the UK, shipping is shown at checkout and local customs and taxes remain your responsibility.
Some products are made to order, imported or custom built. If timing matters, contact us before ordering and we will confirm the expected delivery timeframe.
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| Specification | Details |
|---|---|
| Brand | Manta |
| Application | RAM 1500 DT 5.7 Hemi V8 2020+; DT Crew Cab application |
| Quantity | One exhaust in the selected configuration |
| Main pipework | Twin 3-inch / 76.2 mm |
| Full-system crossover | H-pipe |
| Full-system sound-control components | Hotdog resonators and muffler |
| Tips | 5-inch / 127 mm black |
| Full-system headers | 1¾-inch primaries; four-into-one; 3-inch outlets |
| Full-system catalysts | High-flow catalysts included |
| Calibration | Full system: required; cat-back: not required for this change alone |
| Tip fitting | Final alignment; tack-welding recommended |
| Cat-back sound / silencing | SSMKRA0006: medium; centre muffler |
| SKU / part number | SSMKRA0006, SSMKRA0007 |
Let your Hemi sound like a Hemi.
Let the Hemi be a bigger part of every drive. The Manta SSMKRA0006 medium-sound cat-back keeps the factory front exhaust and adds a centre muffler, twin rear outlets and 5-inch black tips. The louder SSMKRA0007 full system goes further with twin 3-inch pipework, headers, high-flow catalysts and revised front routing. Choose the cat-back for sound alone, or the full system for the additional hardware and supporting tune.
| Configuration | SKU |
|---|---|
| Cat Back (£1950) | SSMKRA0006 |
| Full System - 1 3/4 Headers (£3999) | SSMKRA0007 |
The SSMKRA0006 cat-back uses a centre muffler and twin rear pipework to give the Hemi more exhaust presence, finished with black tips that stand out without a bright polished finish. It is the medium-sound configuration: enough emphasis on the exhaust to make it part of the experience, with the original front system retained. The SSMKRA0007 full system adds headers and high-flow catalysts, with an H-pipe, hotdog resonators and a centre muffler in its twin 3-inch layout.
Choose SSMKRA0006 for the medium-sound cat-back with the original headers and front exhaust retained. SSMKRA0007 is the loud full system: 1¾-inch four-into-one headers with 3-inch outlets, high-flow catalysts and twin 3-inch pipework. Its hotdog resonators and centre muffler are part of that full-system configuration. A supporting tune is required for the full system.
The full system replaces the headers and changes the front pipework as well as the rear exhaust. Its front pipes run behind the transmission crossmember, away from the factory route alongside the transmission. Choose it when those changes matter to your build, with the required tune included in your plans. The cat-back keeps the original front routing and is our starting point when your main aim is enjoying more Hemi sound.
The cat-back retains the original headers and front system. The full system replaces those sections and requires a supporting tune. Allow around 45 minutes for a cat-back installation or 4-5 hours for a full system as estimates; your fitting quote will depend on the truck and the work booked. The tips need careful final alignment, with tack-welding recommended to keep them in position. This is the DT Crew Cab application with the supported ASV or SCD steering-conversion arrangement.
The medium cat-back can drone when towing. That matters if your RAM spends long days pulling a trailer: the sound you enjoy on a short drive may be more noticeable under steady load. If a relaxed towing cabin is your priority, we would help you choose a quieter configuration before you commit. Once fitted, clean the black tips when cool with a suitable non-abrasive cleaner and have any new rattle checked for joint or clearance issues.
For UK customers, prices include VAT, customs and delivery unless checkout states otherwise. For customers outside the UK, local customs and taxes remain your responsibility, and shipping is shown at checkout. If a shipping option is not available, email us and we will prepare a tailored quote.
Many of the products we sell are made to order, imported or custom built, so a lead time may apply. If you need a part urgently, contact us before ordering and we will confirm the expected delivery timeframe and process.
The full system does. The cat-back does not require a tune for the exhaust change alone.
No. It retains the factory front pipework. The rerouting behind the crossmember comes with the full system.
They are included with the full system, not the cat-back. The full-system choice uses the 1¾-inch headers.
The main system uses its supplied connections, but the tips need final alignment and tack-welding is recommended to hold that alignment. The full system also replaces the headers and front sections, so it is a more involved installation.
The medium SSMKRA0006 cat-back can drone under towing load. If you regularly tow for long distances, we would put cabin comfort first and help you choose a quieter configuration rather than assuming a louder exhaust will suit every journey.
This is the DT Crew Cab application. It is not the older DS Classic system.
The cat-back. It gives you the rear-system sound and black tips while retaining the original headers and front pipework, with no tune required for this exhaust change alone.
Model year, engine, drivetrain, hardware and existing modifications can all change what fits. Check the applications and supplier notes above, or send us your exact vehicle and setup before ordering.
Send us your vehicle, year, current setup and any fitting date, event, trip or deadline before ordering. We will help check fitment, product choice and timing.
