
Universal 4" x 18" Internal Stack Muffler/Baffle
$60.84
- Part Number: IM-418
- Est. Ship Time: Usually Ships By Next Business Day

SSL SECURE
TRANSACTION

AUTHENTIC
PRODUCTS

GUARANTEED PREMIUM
QUALITY

A+ Rating
More from this brand
Starting From $28.76
Slide-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
This item is designed to fit by first REMOVING your stack from the connection, setting the muffler in place, then set the stack back on top of the muffler. You can accomplish more exhaust muffling by squeezing/crimping the ends as well.
Grand Rock part number: IM-418

Slide-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
This item is designed to fit by first REMOVING your stack..
$60.84
Slide-In, Straight through muffler helps reduce harsh exhaust tones.
This item is designed to fit by first REMOVING your stack from the connection,..
$63.89
Slid-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
Please Allow Up To 2 Weeks Ship Time on this part. ..
$244.93
Slid-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
Please Allow Up To 2 Weeks Ship Time on this part. ..
$263.19
Slid-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
Please Allow Up To 2 Weeks Ship Time on this part. ..
$284.49
Slid-In, Straight through muffler helps reduce harsh exhaust tones.
Aluminized Steel
Please Allow Up To 2 Weeks Ship Time on this part.
Gr..
$319.49
Fully Adjustable Boost elbow allows you to turn your boost up or down to help save your head gasket if not studded yet or to help tune the top tu..
$30.95
This clamp features a welded flap design to prevent leakage at the closing point, it features .030" gauge 304 stainless steel. Includes grade 8 r..
$18.20
This clamp features a welded flap design to prevent leakage at the closing point, it features .030" gauge 304 stainless steel. Includes grade 8 r..
$17.17
The Grand Rock V-Band Clamp VB-384G is a replacement for the factory clamp your 2001-2015 GM 6.6L Duramax. This clamp joins the bottom of your do..
$24.43
Fits: 1999-2003 Ford 7.3L Powerstroke
Grand Rock V-Band Clamp for turbo to downpipe connection.
Grand Rock: VB-429F7..
$28.76
V-Band clamp for the turbo to downpipe connection on 2003-2007 Ford 6.0L Powerstroke engines
OEM Part Number
6C34-5A281-AA
Grand Rock..
$30.81
Grand Rock 5 Inch Exhaust Diverter Valve
Part number HDT-5A..
$365.13
High Quality Dual Chrome Diesel Pickup Truck Smoke Stack Kit
Kits include everything needed to mount the stacks and connect to your existing exha..
$626.76
Slide-In, Straight through muffler helps reduce harsh exhaust tones.
This item is designed to fit by first REMOVING your stack from the connection,..
$63.89
Universal Hood Stack Kit
This kit does not include the stack, or the piping under the hood!
Grand Rock: HSK-6..
$197.36
High Quality Dual Chrome Diesel Pickup Truck Smoke 6" Stack Kit
Kits include everything needed to mount the stacks and connect to your existin..
$662.60
Universal Hood Stack Kit
This kit does not include the stack, or the piping under the hood!
Grand Rock: HSK-7
..
$194.19
Grand Rock 7" Hood Stack
Universal Competition Stacks:
Intended for Race/Competition Off-Road Use ONLY! *Lowers your EGT's! Universal..
$212.99
Grand Rock 6" Hood Stack
Universal Competition Stacks:
Intended for Race/Competition Off-Road Use ONLY! *Lowers your EGT's! Universa..
$182.56
4" Stack Pickup Truck T-Pipe Kit
By Grand Rock
The 4 inch T-Pipe sits in the bed, and only one hole needs to be cut in the bed of the truck..
$530.96
High Quality 7" Dual Chrome Diesel Pickup Truck Smoke Stack Kit
Kits include everything needed to mount the stacks and connect to your existin..
$698.47
The Pypes Phantom Series is designed to give your car or truck a new sleek look. Black is the new color on the market. All Phantom Series products are..
$29.75
304 polished stainlessDiesel Stack 6" Clamp
Pypes part number: HSC006..
$20.75
304 polished stainlessDiesel Stack 7" Clamp
Pypes part number: HSC007..
$23.75
Straight Cut Fleece Performance hood stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight ..
$40.99
Miter Cut Fleece Performance hood stack covers are made from heavy duty vinyl and come complete with a properly sized band clamp to ensure a tight fit..
$40.99
5" and 6" Miter will have a 4-6 week lead time
If you want the sharpest diesel on the block and still want to protect your stacks from ra..
$35.00
This is for (1) 4" Black vinyl stack socks/covers. Keep weather out of your exhaust stack while your vehicle is parked. No more soot on your pain..
$20.25
Slide-In, Straight through muffler helps reduce harsh exhaust tones.
This item is designed to fit by first REMOVING your stack from the connection,..
$63.89
The simple, effective way to connect exhaust system components. Replaces U-bolts and clamps. Patented design makes for fast, easy and accurate install..
Starting From $25.28
UA2001 4" ID to 5" OD, 7" Length Fits all pickup models Now you can hook-up to your MBRP 4" and 5" hardware no matter what size your system. This ad..
$39.99
5" and 6" Straight and Miter Cut Fleece Performance Hood Stack covers are made from heavy duty vinyl and come complete with a properly sized band clam..
$40.99
There is a 2-3 day lead time on this part before item ships.
5" 90° 10"X 10" ID-OD Aluminized Elbow..
$52.34
UA9004 4" ID to 5" ID, 6" Length Fits all pickup models Now you can hook-up to your MBRP 4" and 5" hardware no matter what size your system. This a..
$59.99
This is a 5" Rain Cap from Silverline for use on a Silverline 5" Straight Cut Stack, However this will also fit any 5" straight cut stack on the marke..
$51.73
Black coated Polished Stainless Steel
Pypes part number: HSC008B..
$35.32